Snapchat upgrades with text, video chat

Snapchat has quickly become a favorite of the mobile app world. Facebook and Google have both offered to buy it for billions of dollars. Instead, the company is making upgrades that could put it more in line with messaging services like Facebook and WhatsApp.

Background:

Snapchat Adds Text, Video Chats [PC Mag]

Major Snapchat update adds chatting, video calls [CNET]

Snapchat offers video and instant messaging [PC World]