I didn't realize how hard it was to run a small business.
We can't be afraid to be weird.
The experience is fundamentally different for buying from local businesses than it is for buying consumer goods.
One of the things I realized... is how few success stories there are in websites or products or businesses that exist primarily for an altruistic purpose.
There are over 2,000 direct clones of the Groupon business model. However, there's an equal amount of proof that the barriers to success are enormous. In spite of all those competitors, only a handful are remotely relevant.