diff --git a/src/main/scala/nova/monadic_sfx/Main.scala b/src/main/scala/nova/monadic_sfx/Main.scala
index 39c6f02..b3b50c8 100644
--- a/src/main/scala/nova/monadic_sfx/Main.scala
+++ b/src/main/scala/nova/monadic_sfx/Main.scala
@@ -12,8 +12,8 @@ import com.softwaremill.macwire._
 import io.odin._
 import io.odin.syntax._
 import nova.monadic_sfx.executors._
-import nova.monadic_sfx.util.IOUtils._
-import sttp.client.httpclient.monix.HttpClientMonixBackend
+// import nova.monadic_sfx.util.IOUtils._
+// import sttp.client.httpclient.monix.HttpClientMonixBackend
 object Main extends MainModule with BIOApp {
 
   def appResource(startTime: Long) =
diff --git a/src/main/scala/nova/monadic_sfx/MainApp.scala b/src/main/scala/nova/monadic_sfx/MainApp.scala
index 4b2eedb..4b03f8d 100644
--- a/src/main/scala/nova/monadic_sfx/MainApp.scala
+++ b/src/main/scala/nova/monadic_sfx/MainApp.scala
@@ -7,6 +7,7 @@ import nova.monadic_sfx.executors.Schedulers
 import nova.monadic_sfx.implicits.JFXButton
 import nova.monadic_sfx.implicits.JavaFXMonixObservables._
 import nova.monadic_sfx.ui.MyFxApp
+import nova.monadic_sfx.ui.components.todo.TodoListStore
 import nova.monadic_sfx.ui.components.todo.TodoListView
 import org.gerweck.scalafx.util._
 import scalafx.Includes._
@@ -21,7 +22,6 @@ import scalafx.scene.control.TableView
 import scalafx.scene.layout.HBox
 import scalafx.scene.paint.Color
 import scalafx.scene.shape.Rectangle
-import nova.monadic_sfx.ui.components.todo.TodoListStore
 
 class MainApp(
     // spawnProtocol: ActorSystem[SpawnProtocol.Command],
@@ -131,8 +131,8 @@ class MainApp(
   def createTodoComponent: Task[Unit] =
     for {
       store <- TodoListStore(logger)
-      lv <- TodoListView(store)
-      _ <- Task(_scene.getChildren += lv)
+      rootNode <- TodoListView(store)
+      _ <- Task(_scene.getChildren += rootNode)
     } yield ()
 
 }
diff --git a/src/main/scala/nova/monadic_sfx/implicits/ActionObservable.scala b/src/main/scala/nova/monadic_sfx/implicits/ActionObservable.scala
index cb33d3b..ced90c7 100644
--- a/src/main/scala/nova/monadic_sfx/implicits/ActionObservable.scala
+++ b/src/main/scala/nova/monadic_sfx/implicits/ActionObservable.scala
@@ -1,13 +1,13 @@
 package nova.monadic_sfx.implicits
 
+import monix.execution.Scheduler
 import monix.reactive.Observable
 import monix.reactive.Observer
 import monix.{eval => me}
-import monix.execution.Scheduler
 
-class ActionObservableExecuter[T](
-    delegate: Observable[T]
-) {
+class ActionObservableExecutor[T](
+    private val delegate: Observable[T]
+) extends AnyVal {
   def -->(sub: Observer[T])(implicit s: Scheduler) =
     delegate
       .doOnNext(el => me.Task(sub.onNext(el)))
@@ -15,23 +15,69 @@ class ActionObservableExecuter[T](
 
 }
 class ActionObservableBuilder[A](
-    observableAction: Observable[A]
-) {
-  def useLazy[T](v: => T) =
-    new ActionObservableExecuter[T](observableAction.mapEval(_ => me.Task(v)))
+    private val observableAction: Observable[A]
+) extends AnyVal {
+  def useLazyEval[T](v: => me.Task[T]) =
+    new ActionObservableExecutor[T](observableAction.mapEval(_ => v))
 
-  def use[T](cb: A => T) =
-    new ActionObservableExecuter[T](
-      observableAction.mapEval(ae => me.Task(cb(ae)))
+  def useEval[T](cb: A => me.Task[T]) =
+    new ActionObservableExecutor[T](
+      observableAction.mapEval(cb)
     )
 
-  def useIterable[T](cb: A => collection.immutable.Iterable[T]) =
-    new ActionObservableExecuter[T](
+  def useIterableEval[T](cb: A => collection.immutable.Iterable[T]) =
+    new ActionObservableExecutor[T](
       observableAction.flatMap(a =>
         Observable.suspend(Observable.fromIterable(cb(a)))
       )
     )
 
-  def map[B](cb: A => B) =
-    new ActionObservableBuilder(observableAction.mapEval(v => me.Task(cb(v))))
+  def doOnNext(cb: A => me.Task[Unit]): ActionObservableBuilder[A] =
+    new ActionObservableBuilder(observableAction.doOnNext(cb))
+
+  def mapEval[B](cb: A => me.Task[B]) =
+    new ActionObservableBuilder(observableAction.mapEval(cb))
+
+  def underlying = observableAction
+
+  // def publish[B](f: Observable[A] => Observable[B]) =
+  //   new ActionObservableBuilder(observableAction.publishSelector(f))
+
+  def useEval2[B, C](f: A => me.Task[B], g: A => me.Task[C]) =
+    new ActionObservableExecutor[(B, C)](
+      observableAction.publishSelector(conn =>
+        conn
+          .mapEval(f)
+          .switchMap(b =>
+            conn.mapEval(a =>
+              for {
+                c <- g(a)
+              } yield (b, c)
+            )
+          )
+      )
+    )
+
+  def bifurcate[B, C](
+      f: ActionObservableBuilder[A] => B,
+      g: ActionObservableBuilder[A] => C
+  )(implicit s: Scheduler) =
+    observableAction
+      .publishSelector(conn =>
+        Observable(
+          Observable.unit.doOnNext(_ =>
+            me.Task(f(new ActionObservableBuilder[A](conn))) >> me.Task.unit
+          ),
+          Observable.unit.doOnNext(_ =>
+            me.Task(g(new ActionObservableBuilder[A](conn))) >> me.Task.unit
+          )
+        ).merge
+      )
+      .subscribe()
+
+  // def useEval2[B,C](a1:  ActionObservableBuilder[A] => B, a2:  ActionObservableBuilder[A] => C) = observableAction.publishSelector(conn =>
+  //     new ActionObservableBuilder[]
+  //   )
 }
+
+// class MappedActionExecutor(actionMap: Map[])
diff --git a/src/main/scala/nova/monadic_sfx/implicits/JFXButton.scala b/src/main/scala/nova/monadic_sfx/implicits/JFXButton.scala
index fc6d562..0f42006 100644
--- a/src/main/scala/nova/monadic_sfx/implicits/JFXButton.scala
+++ b/src/main/scala/nova/monadic_sfx/implicits/JFXButton.scala
@@ -14,9 +14,6 @@ object JFXButton {
     if (v != null) v.delegate else null
 }
 
-// extends ButtonBase(delegate)
-//     with SFXDelegate[jfoenixc.JFXButton]
-
 class JFXButton(
     override val delegate: jfoenixc.JFXButton = new jfoenixc.JFXButton
 ) extends Button(delegate) {
diff --git a/src/main/scala/nova/monadic_sfx/implicits/JavaFxMonixObservables.scala b/src/main/scala/nova/monadic_sfx/implicits/JavaFxMonixObservables.scala
index dc72d82..02b8adc 100644
--- a/src/main/scala/nova/monadic_sfx/implicits/JavaFxMonixObservables.scala
+++ b/src/main/scala/nova/monadic_sfx/implicits/JavaFxMonixObservables.scala
@@ -2,6 +2,8 @@ package nova.monadic_sfx.implicits
 
 import javafx.beans.property.ObjectProperty
 import javafx.collections.ObservableList
+import javafx.event.ActionEvent
+import javafx.event.EventHandler
 import javafx.scene.{input => jfxsi}
 import javafx.{event => jfxe}
 import monix.bio.Task
@@ -13,18 +15,15 @@ import monix.reactive.Observer
 import monix.reactive.OverflowStrategy
 import monix.tail.Iterant
 import monix.{eval => me}
+import org.gerweck.scalafx.util._
 import scalafx.Includes._
 import scalafx.beans.property.Property
+import scalafx.beans.property.ReadOnlyProperty
 import scalafx.beans.value.ObservableValue
 import scalafx.collections.ObservableBuffer
 import scalafx.scene.Scene
 import scalafx.scene.control.ButtonBase
-import scalafx.beans.property.ReadOnlyProperty
-import javafx.event.ActionEvent
-import javafx.event.EventHandler
-import javafx.scene.{control => jfxsc}
 import scalafx.scene.control.MenuItem
-import org.gerweck.scalafx.util._
 
 object JavaFXMonixObservables {
 
@@ -80,8 +79,8 @@ object JavaFXMonixObservables {
       op.onNext(prop.value)
     }
 
-    def -->(op: Property[T, J]) = {
-      op() = prop.value
+    def ==>(op: Property[T, J]) = {
+      op <== prop
     }
 
     def <--(obs: Observable[T])(implicit s: Scheduler) = {
@@ -90,13 +89,12 @@ object JavaFXMonixObservables {
 
     def asOption = prop.map(Option(_))
 
-    def observableChange[J1 >: J]()
-        : Observable[(ObservableValue[T, J], J1, J1)] = {
+    def observableChange[J1 >: J](): Observable[J1] = {
       import monix.execution.cancelables.SingleAssignCancelable
       Observable.create(OverflowStrategy.Unbounded) { sub =>
         val c = SingleAssignCancelable()
 
-        val canc = prop.onChange((a, b, c) => sub.onNext((a, b, c)))
+        val canc = prop.onChange((a, b, c) => sub.onNext(c))
 
         c := Cancelable(() => canc.cancel())
         c
@@ -107,18 +105,9 @@ object JavaFXMonixObservables {
   implicit final class BindObs2[A](private val prop: ObjectProperty[A])
       extends AnyVal {
 
-    // def -->(sub: Var[A]) =
-    //   prop.onChange((a, b, c) => sub := c)
-
     def -->(sub: Observer[A]) =
       prop.onChange((a, b, c) => if (c != null) sub.onNext(c))
 
-    // def -->[J1 >: A, T](
-    //     op: Observable[J1] => me.Task[T]
-    // )(implicit s: Scheduler) = {
-    //   op(prop.observableChange().map(_._3)).runToFuture
-    // }
-
     def -->(op: Property[A, A]) = {
       prop.onChange((a, b, c) => if (c != null) op() = c)
     }
@@ -147,21 +136,16 @@ object JavaFXMonixObservables {
       op.onNext(prop.value)
     }
 
-    def -->(op: Property[T, J]) = {
+    def ==>(op: Property[T, J]) = {
       op <== prop
     }
 
-    // def <--(obs: Observable[T])(implicit s: Scheduler) = {
-    //   obs.doOnNext(v => me.Task(prop.value = v)).subscribe()
-    // }
-
-    def observableChange[J1 >: J]()
-        : Observable[(ObservableValue[T, J], J1, J1)] = {
+    def observableChange[J1 >: J](): Observable[J1] = {
       import monix.execution.cancelables.SingleAssignCancelable
       Observable.create(OverflowStrategy.Unbounded) { sub =>
         val c = SingleAssignCancelable()
 
-        val canc = prop.onChange((a, b, c) => sub.onNext((a, b, c)))
+        val canc = prop.onChange((a, b, c) => sub.onNext(c))
 
         c := Cancelable(() => canc.cancel())
         c
@@ -227,17 +211,6 @@ object JavaFXMonixObservables {
   implicit final class OnActionObservable(
       private val button: ButtonBase
   ) extends AnyVal {
-    // def -->[T](
-    //     op: Observable[jfxe.ActionEvent] => me.Task[T]
-    // )(implicit s: Scheduler) = {
-    //   op(button.observableAction()).runToFuture
-    // }
-
-    // def -->(
-    //     sub: ConcurrentSubject[jfxe.ActionEvent, jfxe.ActionEvent]
-    // ) = {
-    //   button.onAction = value => sub.onNext(value)
-    // }
 
     def observableAction(): Observable[jfxe.ActionEvent] = {
       import monix.execution.cancelables.SingleAssignCancelable
@@ -262,19 +235,8 @@ object JavaFXMonixObservables {
   }
 
   implicit final class MenuItemActionObservable(
-      private val et: MenuItem
+      private val item: MenuItem
   ) extends AnyVal {
-    // def -->[T](
-    //     op: Observable[jfxe.ActionEvent] => me.Task[T]
-    // )(implicit s: Scheduler) = {
-    //   op(button.observableAction()).runToFuture
-    // }
-
-    // def -->(
-    //     sub: ConcurrentSubject[jfxe.ActionEvent, jfxe.ActionEvent]
-    // ) = {
-    //   button.onAction = value => sub.onNext(value)
-    // }
 
     def observableAction(): Observable[jfxe.ActionEvent] = {
       import monix.execution.cancelables.SingleAssignCancelable
@@ -286,9 +248,9 @@ object JavaFXMonixObservables {
           }
         }
 
-        et.onAction = l
+        item.onAction = l
         c := Cancelable(() =>
-          et.removeEventHandler(
+          item.removeEventHandler(
             jfxe.ActionEvent.ACTION,
             l
           )
diff --git a/src/main/scala/nova/monadic_sfx/implicits/MenuItem.scala b/src/main/scala/nova/monadic_sfx/implicits/MenuItem.scala
index 839c65d..577ce75 100644
--- a/src/main/scala/nova/monadic_sfx/implicits/MenuItem.scala
+++ b/src/main/scala/nova/monadic_sfx/implicits/MenuItem.scala
@@ -1,8 +1,9 @@
 package nova.monadic_sfx.implicits
 
-import JavaFXMonixObservables._
 import scalafx.scene.{control => sfxc}
 
+import JavaFXMonixObservables._
+
 class MenuItem extends sfxc.MenuItem {
   def obsAction =
     new ActionObservableBuilder(this.observableAction())
diff --git a/src/main/scala/nova/monadic_sfx/ui/components/todo/TodoListComponentOld.scala b/src/main/scala/nova/monadic_sfx/ui/components/todo/TodoListComponentOld.scala
index ab5667f..7b7f2e6 100644
--- a/src/main/scala/nova/monadic_sfx/ui/components/todo/TodoListComponentOld.scala
+++ b/src/main/scala/nova/monadic_sfx/ui/components/todo/TodoListComponentOld.scala
@@ -14,6 +14,7 @@ import nova.monadic_sfx.implicits.FontIcon
 import nova.monadic_sfx.implicits.IconLiteral
 import nova.monadic_sfx.implicits.JFXListView
 import nova.monadic_sfx.implicits.JavaFXMonixObservables._
+import nova.monadic_sfx.util.reactive._
 import scalafx.Includes._
 import scalafx.beans.property.StringProperty
 import scalafx.collections.ObservableBuffer
@@ -23,7 +24,6 @@ import scalafx.scene.control.MenuItem
 import scalafx.scene.control.SelectionMode
 import scalafx.scene.layout.HBox
 import scalafx.scene.text.Text
-import nova.monadic_sfx.util.reactive._
 
 class TodoListViewOld(
     val listView: JFXListView[Todo] = TodoListViewOld.defaultListView,
diff --git a/src/main/scala/nova/monadic_sfx/ui/components/todo/TodoListStore.scala b/src/main/scala/nova/monadic_sfx/ui/components/todo/TodoListStore.scala
index 23b9675..b424e1f 100644
--- a/src/main/scala/nova/monadic_sfx/ui/components/todo/TodoListStore.scala
+++ b/src/main/scala/nova/monadic_sfx/ui/components/todo/TodoListStore.scala
@@ -1,14 +1,12 @@
 package nova.monadic_sfx.ui.components.todo
 
-import nova.monadic_sfx.util.reactive.Store
-import nova.monadic_sfx.util.reactive.Reducer
-import nova.monadic_sfx.util.reactive.Middlewares.actionLoggerMiddleware
+import com.softwaremill.quicklens._
+import io.circe.generic.JsonCodec
 import io.odin.Logger
 import monix.bio.Task
-import io.odin._
-import io.odin.syntax._
-import io.circe.generic.JsonCodec
-import com.softwaremill.quicklens._
+import nova.monadic_sfx.util.reactive.Middlewares.actionLoggerMiddleware
+import nova.monadic_sfx.util.reactive.Reducer
+import nova.monadic_sfx.util.reactive.Store
 
 case class Todo(id: Int, content: String)
 
@@ -34,28 +32,15 @@ object TodoListStore {
           todos = state.todos :+ Todo(state.counter, content),
           counter = state.counter + 1
         )
-      case Edit(id, content) =>
+      case Edit(_id, content) =>
+        val condition: Todo => Boolean = _.id == _id
         state
-          .modify(_.todos.eachWhere(_.id == id))
+          .modify(_.todos.eachWhere(condition))
           .using(_.copy(content = content))
       case Delete(id) =>
         state.copy(state.todos.filterNot(_.id == id))
     }
 
-  def updateTodo(id: Int, content: String, todos: Vector[Todo]) =
-    todos.view.zipWithIndex
-      .find {
-        case (todo, index) => todo.id == id
-      }
-      .map {
-        case (todo, index) => todo.copy(content = content) -> index
-      }
-      .map {
-        case (todo, index) => todos.updated(index, todo)
-      }
-
-  val middlewareLogger = consoleLogger[Task]().withAsync()
-
   def apply(logger: Logger[Task]) =
     Store
       .createL[Command, State](
diff --git a/src/main/scala/nova/monadic_sfx/ui/controller/TodoController.scala b/src/main/scala/nova/monadic_sfx/ui/controller/TodoController.scala
index 7caaf9b..70cd159 100644
--- a/src/main/scala/nova/monadic_sfx/ui/controller/TodoController.scala
+++ b/src/main/scala/nova/monadic_sfx/ui/controller/TodoController.scala
@@ -12,11 +12,11 @@ import nova.monadic_sfx.implicits.JFXButton
 import nova.monadic_sfx.implicits.JFXListView
 import nova.monadic_sfx.implicits.JFXTextArea
 import nova.monadic_sfx.implicits.JFXTextField
+import nova.monadic_sfx.ui.components.todo.TodoListComponentOld
 import scalafx.collections.ObservableBuffer
 import scalafx.scene.control.Label
 import scalafx.scene.layout.HBox
 import scalafx.scene.paint.Color
-import nova.monadic_sfx.ui.components.todo.TodoListComponentOld
 
 class TodoController(todoListComponent: TodoListComponentOld) {
   import AnimFX._
diff --git a/src/main/scala/nova/monadic_sfx/util/reactive/Middlewares.scala b/src/main/scala/nova/monadic_sfx/util/reactive/Middlewares.scala
index 6c1a482..0df6a30 100644
--- a/src/main/scala/nova/monadic_sfx/util/reactive/Middlewares.scala
+++ b/src/main/scala/nova/monadic_sfx/util/reactive/Middlewares.scala
@@ -1,8 +1,8 @@
 package nova.monadic_sfx.util.reactive
 
 import io.odin.Logger
-import monix.reactive.Observable
 import monix.bio.Task
+import monix.reactive.Observable
 import nova.monadic_sfx.util.IOUtils._
 
 // object Middleware {
diff --git a/src/main/scala/nova/monadic_sfx/util/reactive/MonixProSubject.scala b/src/main/scala/nova/monadic_sfx/util/reactive/MonixProSubject.scala
index 6627235..4f47370 100644
--- a/src/main/scala/nova/monadic_sfx/util/reactive/MonixProSubject.scala
+++ b/src/main/scala/nova/monadic_sfx/util/reactive/MonixProSubject.scala
@@ -1,11 +1,12 @@
 package nova.monadic_sfx.util.reactive
 
+import scala.concurrent.Future
+
+import monix.execution.Ack
 import monix.execution.Cancelable
 import monix.reactive.Observable
 import monix.reactive.Observer
-import scala.concurrent.Future
 import monix.reactive.observers.Subscriber
-import monix.execution.Ack
 
 object MonixProSubject {
   def from[I, O](
diff --git a/src/main/scala/nova/monadic_sfx/util/reactive/Reducer.scala b/src/main/scala/nova/monadic_sfx/util/reactive/Reducer.scala
index 73eb18c..8a78a73 100644
--- a/src/main/scala/nova/monadic_sfx/util/reactive/Reducer.scala
+++ b/src/main/scala/nova/monadic_sfx/util/reactive/Reducer.scala
@@ -1,8 +1,8 @@
 package nova.monadic_sfx.util.reactive
 
-import monix.reactive.ObservableLike
 import cats.implicits._
 import monix.reactive.Observable
+import monix.reactive.ObservableLike
 
 object Reducer {
 
diff --git a/src/main/scala/nova/monadic_sfx/util/reactive/Store.scala b/src/main/scala/nova/monadic_sfx/util/reactive/Store.scala
index 1a34b04..963a576 100644
--- a/src/main/scala/nova/monadic_sfx/util/reactive/Store.scala
+++ b/src/main/scala/nova/monadic_sfx/util/reactive/Store.scala
@@ -1,11 +1,11 @@
 package nova.monadic_sfx.util.reactive
 
+import cats.effect.Sync
+import monix.bio.Task
+import monix.execution.Scheduler
+import monix.reactive.Observable
 import monix.reactive.OverflowStrategy
 import monix.reactive.subjects.ConcurrentSubject
-import monix.reactive.Observable
-import monix.bio.Task
-import cats.effect.Sync
-import monix.execution.Scheduler
 
 object Store {
   def createL[A, M](