ADAGE - June 14 - Snapchat's new developer platform that allows it to integrate with outside apps like Tinder, Postmates and Patreon, is going live this week. Now daters on Tinder will be able to flirt with Bitmojis. Postmates will let people share delivery information to friends inside Snapchat. Snapchat built four "kits" that will open the messaging and media app to outside developers. Snapchat's platform will let people sign into participating apps using their Snapchat accounts. Tinder is jumping on Bitmojis, the cartoonish emojis that people customize to look like themselves. So, now Tinder users on Snapchat will be able to message one other with their Bitmojis.