Digital Trends: Every southerner’s favorite fruit is becoming the tech world’s favorite app. On Friday, a new social network took social media by storm, as the world was introduced to Peach, a messaging app created by Vine founder Dom Hofmann. Peach is a mobile app that does what about a billion others do — let you message your friends with text, photos, and GIFs. But somehow, Hofmann got something right on this particular iteration because people can’t seem to get enough.