For hackers, the best thing about ADHD is hyperfocus, which is a lesser-known, but common symptom of ADHD. Hyperfocus is the tendency "to focus very intently. [...] At times, the focus is so strong that they become oblivious to the world around them." <a href="http://www.additudemag.com/adhd/article/612.html" rel="nofollow">http://www.additudemag.com/adhd/article/612.html</a><p>Like when you happily program for 12 hours straight, forgetting to eat lunch and dinner. Sound familiar?