Organize your summer trips We see that lots of you are making summer travel plans for this weekend and the upcoming months, so we wanted to remind you to use TripIt to help you stay organized. More than 500 booking sites TripIt now supports travel confirmation emails from over 500 different booking sites, including nearly every major airline, hotel and rental car company, as well as airport shuttles, trains, cruiselines, events, restaurant reservations and travel agencies. Just forward all your confirmation emails to plans@tripit.com to automatically create your summer itinerary. See a list of all of our supported booking sites here: http://ping.fm/WRKbL TripIt on your mobile phone Our new iPhone app is a huge hit! Download the latest version for free in the iPhone app store. http://ping.fm/nL5ho If you're using a Blackberry or other mobile device, point it to m.tripit.com to get your full itinerary on your phone. TripIt making news Matt Gross, the Frugal Traveler at the New York