4 articles in the notebook
Async/await looks simple and is widely misunderstood — I have seen entire conference talks get it wrong. A trip down the rabbit hole with examples (and memes) of what the compiler actually does: no, async does not create a thread.
Bulk-importing users through Identity Framework 3 kept failing with disposed-object and modified-collection errors. The culprit: async void. Change to async Task and await properly — code included.
TaskCompletionSource turns any old-style async callback into an awaitable Task. Demonstrated with the WP7 camera, applicable everywhere.
There are plenty of C# web servers already, but I wanted to play with TPL and async/await — so here is a minimal HTTP server built around them. Downloadable code included.