Make it easy for peers to create lessons for peers. Plus skill matchmaking. "I know this. I can teach you this." Those may not be complementary ideas, since on

Make it easy for peers to create lessons for peers. Plus skill matchmaking. "I know this. I can teach you this." Those may not be complementary ideas, since one is formal and pre-arranged and one is informal. You either have to share wealth, or share karma. Depends on the gestalt you're going for. Create two companies with different brands, A/B the results, winner acquires the users of the loser.