Ephemeral photo sharing service Snapchat has released a significant update to its iOS app today, which brings integration of a new "Chat" text messaging feature and "Here" live video chat feature. The app's new Chat feature allows a user to swipe right on a friend's name in the inbox to start text messaging, as messages in the chat screen disappear upon leaving the window. While in a conversation, users can also press and hold the blue photo button to pop in and out of live video chat, which uses a swipe up gesture to share video on the iPhone's front facing camera and a swipe gesture down to share video on the rear facing camera. Snapchat saw its last major update i
