CORRECTING and REPLACING Technical Glitches and Slowdowns -- Web and Mobile -- Must be Avoided at All Costs, New AppDynamics Study Reports )--Please replace the release dated July 9, 2015 with the following corrected version due to multiple revisions. The corrected release reads: TECHNICAL GLITCHES AND SLO... )--As the first ever Presenting Sponsor of the MLB All-Star Game, T-Mobile is stepping things up with an epic fan giveaway.