Just a few days ago, T-Mobile held the most recent Un-Carrier event that was entirely focused on giving stuff away to its subscribers. Among the things T-Mobile was giving away, T-Mobile announced it was giving away freebies to all its customers every Tuesday from brands like Domino's, Wendy's, Fandango, and VUDU with more companies to join the fun. Thanks to the T-Mobile Tuesdays app's explosive popularity, the app's servers were down most of the day yesterday well into the evening. When you're the #1 free app & #1 trending search in the @appstore. Get ready for next #TMobileTuesdays...
Source: http://www.gsmarena.com/tmobile_tuesday_app_instantly_1_in_app_store_2_in_play_store-news-18710.php