Instagram vs. Snapchat: a battle to the last feature

The end of February wasn’t kind to Snapchat-maker Snap: it rolled out a redesign that users decided they hated, and a single Kylie Jenner tweet about the app sent the company’s stock into a spiral. But, really, Snap’s struggles preceded all of that, due in no small part to rival Instagram.
Facebook-owned Instagram has “borrowed” plenty of features from Snapchat. And in doing so it has managed, in a relatively short period of time, to build what feels like its own s