And so the Mobile World Congress 2015 comes to a close and now we're left to pick up the pieces of a whirlwind week. We've been bombarded by a lot of annoucements, new and old products, and promises, and now it's time to weed out the winners from the not so winners. Because everyone's a winner, right? But there are really quite a few that really piqued our interest and earned our applause. Here are some of the most noteworthy products to come out of MWC 2015.