Any finance professional who has used the Bloomberg Terminal’s brightly colored keyboard knows a secret: if you figure out the right question to ask, data is at your fingertips. For decades, the Terminal has been the gold standard of financial research tools — and a symbol of the gap between Wall Street and everyone else. Costing roughly $27,000 a year per user, it gives professional traders, analysts, and portfolio managers access to real-time market data, news, proprietary analytics, and messa...