"act" is a very common term, has very clear meaning, has all main TLDs already taken, is a super short name, very easily passes the radio test, is memorable, is very specific, is catchy, is very easy to pronounce, has high cost per click, has high overture, has a huge number of searches per month, has great business applicability, is relevant for recreational activities, with lifestyle capabilities, is a good scientific domain, is a good choice as a shopping domain, and it works in the technology space.