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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...

Jon Evans is a novelist, journalist, and software engineer. His novels have been published around the world, translated into several languages, and praised by The Times, The Economist, and the Washington Post. His journalism has appeared in Wired, Reader’s Digest, The Guardian, The Globe & Mail, and The Times of India, and he writes a weekly column for TechCrunch.... ? Learn More To paraphrase the late great David Foster Wallace, did you know that probing the seamy underbelly of software development reveals ideological strife and fanaticism on a nearly Godwin’s-law scale? Did you know that software development even had a seamy underbelly? It does, and its name is PHP, the world’s least-loved but arguably most-used programming language. It’s loathed, it’s despised, and it’s everywhere. WordPress, meaning TechCrunch, is brought to you by PHP. Yahoo? PHP. Facebook? Them too–although Quora founder and former Facebook CTO Adam D’Angelo hastens to stress that “PHP was out of the quest...