Since a lot of people are speculating/wondering how Gaga's halftime performance will affect her sales/streaming points, I've compiled a couple articles from Billboard detailing post-SB sales from the last 7 years. Last year, Coldplay benefited the most (no surprise since they were the headliner and had a recent release [album was 3 months old at time of performance]). Both Bruno and Bey saw an increase as well, but were not as dramatic (probably due to the fact that their latest albums were