If you’re a true programmer, you’ve been there. If you’ve done other types of intellectual work involving your brain, you can identify with this mental/emotional state called the flow [angryCoder]

My first manager taught me about The Flow, how to respect it and how to achieve it regularly.  There is nothing quite like it.

An interesting observation:  I find that instant messages aren't nearly the flow killers that phone calls or personal interruptions are... 

7:16:27 AM