@@ -1,2 +1,15 @@
 Asynchronous Programming
 ===============
+
+- callback
+- global or context counters, collections and flags
+- utilities (async.js and analogues)
+- data flow (collection iteration utilities) `f(collection, callback, done)`
+- control flow: `parallel/sequence(funcs, done)`
+- Chain/do
+- EventEmitter
+- Collector
+- Promises
+- async/await
+- Observable
+- generators/yield