Twitter begins larger rollout of enhanced brand pages

Twitter on Wednesday switched on enhanced brand pages for accounts owned by National Public Radio, NBC News, Volkswagen, and others. This is the first batch of premium Twitter pages from companies other than the handful of launch partners who unveiled enhanced brand pages in December.

Formspring doubles down on mobile to fight unique user dip

Social Q&A site Formspring has experienced a dip in monthly unique visitors, as the two-year-old startup transitions out of the role of hot newcomer. The company is looking to aggressive mobile web and app development and an updated design to get the growth back on track.

Problems at Posterous: Possible outage, private messages shared

UPDATED. Posterous encountered “server connectivity issues” that made the blogging site inaccessible to a number of users Wednesday. The apparent outage occurred after at least one Posterous user received a series of email posts from random Posterous groups, some of which were meant to be private.