Good post. No one has cracked the discovery nut well in e-comm yet. If they do though, the bigger challenge will be monetizing effectively. You don't want to

Good post. No one has cracked the discovery nut well in e-comm yet. If they do though, the bigger challenge will be monetizing effectively. You don't want to end up like Yelp, waiting for a Groupon to leapfrog you. Inspyr (www.theinspyr.com) has an interesting take on the monetization, and unique UI to boot.