I'd say they are entertainment startups. So they solve the boredom problem. Take FourSquare. It's a game, in the real-world. You win points for playing and then

I'd say they are entertainment startups. So they solve the boredom problem. Take FourSquare. It's a game, in the real-world. You win points for playing and then even prizes for being at the top of the leaderboard (mayor, badges, etc).