3. Web Search is Too Slow Page to page links are too slow Hours or days to be created Days or weeks to be indexed New Content takes hours or days to find
4. Social News Sites Hours or days to produce a signal of high quality Too small & niche
5. Social Networks Facebook (et al) too closed for real API access In-network/connection & scoping & privacy issues
11. Sock Puppet Accounts 79.79% failed to provide a homepage URL 75.86% of users have not entered a bio 68.68% have not specified a location 55.50% are not following anyone 54.88% have never tweeted 52.71% have no followers