@sdelbecque: I'll be at the office around 2:30PM : feel free to join before 3PM, and we'll drive you to Orange as well ;-)

APIs : a strong barrier to entry

Despite most of people think, building APIs to access to your web-service, or more generaly, opening your application so that people can interract with it through other services is probably one of the key success factors. Twitter is the best example of this.