What is o7?

o7 is a salute and greeting commonly used in online gaming and virtual communities, particularly in games like EVE Online. The "o" represents a head, and the "7" represents an arm raised in a salute. It's a way of showing respect, acknowledgement, or solidarity. It's often used as a friendly gesture or as a sign of understanding and agreement. It can be used in various contexts, such as responding to a call for help, acknowledging someone's achievements, or simply saying hello. The meaning behind it is quite simple: A virtual salute. It evolved from text-based communication within the gaming community to express camaraderie and respect. Similar salutes exist, like o7o7o7 or even just o/, to convey extra enthusiasm or slightly different meanings.