Business

Josh Constine is a technology journalist who specializes in deep analysis of social products. He is currently a writer for TechCrunch. Previously, Constine was the Lead Writer of Inside Facebook, where he covered Facebook product changes, privacy, the Ads API, Page management, ecommerce, virtual currency, and music technology. Prior to writing for Inside Facebook, Constine graduated from Stanford University... ? Learn More There’s a staggering new statistic in Facebook’s 10-Q SEC document today: 102 million people accessed Facebook solely from mobile in June, a massive 23% increase over the 83 million mobile-only users in March. 18.7% of its 543 million monthly mobile users don’t even visit its desktop site. That means if it can’t make its mobile advertising generate a lot more money within the next year, revenue could plummet like its stock price, down 6.2% today to $21.71. Another dead-serious new stat is that Facebook only grew 10% to 168 million in the US this last year, compared...

Rip Empson is a writer and rabble-rouser at TechCrunch. He covers startups, music, social, mobile, health, and education. You can reach him at rip[at]techcrunch[dot]com ? Learn More It’s no secret that the mobile app landscape has become extremely competitive. Over the last few years, this has led to an incredible amount of innovation and progress, but the cost of visibility — of acquiring new users — is also on the rise. In fact, Fiksu found that the cost of acquiring users hit a record high in December. While December is a critical month for app discovery, it remained to be seen whether or not this trend would continue. Today, W3i, the monetization and distribution network for app developers, released new user acquisition figures for the first half of 2012, and the results tell the same story and are worrying for developers. Assessing hundreds of millions of mobile users from January to June 2012, W3i found that the average cost-per-install (of CPI) of mobile apps increased by 70 p...