Life is short, youth is finite, and opportunities endless. Have you found the intersection of your passion and the potential for world-shaping positive impact? If you don't have a great idea of your own, there are plenty of great teams that need you - unknown startups and established teams in giant companies alike.
I do not doubt that services like social games and coupons bring delight to people's lives, and I mean no disrespect to the hard work that has made them possible. But in the face of threats to humanity's future on the one hand and the extraordinary potential of mankind on the other, at some point we must ask: are we capable of more?