That stands for Microsoft (ie: Micro$oft). The connotation of the dollar sign is derogatory (ie: money-grubbing and obscenely rich). Now that Microsoft is no l

That stands for Microsoft (ie: Micro$oft). The connotation of the dollar sign is derogatory (ie: money-grubbing and obscenely rich). Now that Microsoft is no longer the wealthiest, most powerful company in tech, fewer people refer to it as 'M$'. Microsoft should thank Google and Facebook for making Microsoft look modest and saintly in comparison.