To the faggots who think "o7" is a shill sign, let me enlighten you.
Its shorthand for "salute" from the MMO Eve Online, where people fly spaceships the same way the q boards sort data. Brutally, quickly, and with very thick skin.
Eve players are highly intelligent, and sociopathic to varying degrees. No surprise they're here. Goes with a game whose developers coined the phrase "harden the fuck up."
o7