Digg will serve as a means of gathering metrics for third party websites, providing them insights into who's digging their content, who they are spreading it to.

Twitter became a major place to find out what was breaking on the Internet. Facebook became a place to share links. Social media really grew up.

One of the things that I've always loved to do is brainstorm ideas with friends and get together and talk about what they're building... Essentially, my day-to-day is just going around and meeting entrepreneurs and talking to them about what they plan on launching.

The key to making money in angel investing is saying no. You meet with 100 companies and say no to 99 of them.