For one dizzying, schmooze and booze-filled week every January, thousands of tech execs, VCs, and investment bankers grind their way through a four-day slog of panel sessions, poster presentations, networking meetings, and cocktail-drenched after-hours parties in their industry’s premier orgiastic dealmaking event. And no, we’re not talking about CES. On Monday, the Westin St. Francis hotel in downtown San Francisco opened its doors to the 36th annual J.P.