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