We are excited to be investors in Twilio as they transform telephony from cumbersome, proprietary and expensive into an easy-to-use web service. We also love the team’s creativity in promoting Twilio to developers, including the idea for this week’s contest: lunch with the USV team. We will be working with the Twilio team to pick the winner from this week’s entrants. As such, I thought it would be helpful to point to some of the criteria that we look for in evaluating innovation on the web. F...