“We’ll be rolling out and testing this new offering over the next several weeks with a select group of partners, including Best Western, Dell, Gatorade, Groupon, HBO, JetBlue, LivingSocial, Microsoft Xbox, Red Bull, Sephora, Starbucks, Summit Entertainment’s “50/50”, TNT and Virgin America among others — with more to come soon. During this phase, you may also see promoted tweets in your timeline from non-profit organizations you follow, including charity: water, Make-A-Wish Foundation, Room to Read, The American Red Cross and Water.org.”