If I use Facebook to stay in touch with my high school friends who are church-going Republicans, I may be getting more ideological diversity than in hanging out with secular progressives on the World Politics sub-reddit.

The Internet is corporations all the way down.

[According to Twitter] 24 percent of American Twitter users are African-American. That's about twice as high as African-Americans are represented in the population.

Reddit names are unconnected to real-world identities and it's commonplace for users to create 'throwaway' accounts to reveal sensitive information.

Increasingly, I'm inspired by entrepreneurs who run nonprofit organizations that fund themselves, or for-profit organizations that achieve social missions while turning a profit.

The Internet challenges traditional ways of distributing and processing information and so encourages new standards and behavior.

People who know me well have learned to insist that I commit to obligations by opening my laptop and putting them onto the appropriate calendar or list - a verbal agreement and a promise to remember won't work.