Want to see the market potential of Vine? Check out Mass Relevance’s new socially driven digital mosaic

Mass Relevance, a startup that brings calm to a crazy sea of social activity, is rolling out a new 'Digital Mosaic' product today at SXSW that essentially builds an image using tweets, Facebook updates, photos, and even Vine videos.

Social commerce startup Lockerz downsizes with close of San Diego office, layoffs at HQ

Social curation and photo-sharing site Lockerz has closed its San Diego office and laid off about 30 percent of staff at its Seattle headquarters.

Study: Almost 50% of top Pinterest pins link to webpages that don’t exist

48 percent of the most popular pins on Pinterest lead to expired pages on top retailers brands, according to a new study by Curalate, the social curation company.

Stealth startup Linqia pulls in $3.4M to connect community managers with brands

According to an SEC filing, Linqia, a stealth startup that describes itself as a pay-for-performance network for advertisers, has pulled in its first round of funding.

Anyone’s a magazine editor with Scoop.it, launching publicly today

Scoop.it, a tool that lets people gather and distribute content from around the Web based their interests and passions, is launching publicly today after a year in an invite-only beta. A robust algorithm helps you find relevant articles and videos, …