Link Round Up

Mobile retention benchmarks for 2014 vs 2013 show a 50% drop in D1 retention – Andrew Chen blog

Science Inc. Buys Mobile Ad Network PlayHaven – Re/code

Online Ad Firms Fight Losses as Revenues Rise – WSJ

YouTube Invests Millions To Keep Its Top Stars Home – Fast Company

99% of organic social posts on Facebook, Twitter, & Google+ create little to no engagement, – VentureBeat

With ‘Fabric,’ Twitter Aims to Win Back Developers – The Information

The new MSN arrives – The Official Microsoft Blog

Inside AdWords: Dynamic remarketing now available to advertisers across all verticals – Adwords Blog