www.chinaphonearena.com

Twitter Expands Direct Messaging

The microblogging network, which is primarily geared to public messages, is making it easier for its 288 million users to send private messages to each other.


http://bits.blogs.nytimes.com/2015/04/20...messaging/

This move is pure genius. The amazing thing here is that they already have the customer base. Instant 300 million users.