Bloomberg BusinessWeek , on the deeper damage being done by the current SEO/Twitter/ad-driven bubble

“Hammerbacher looked around Silicon Valley at companies like his own [Facebook], Google, and Twitter, and saw his peers wasting their talents. ‘The best minds of my generation are thinking about how to make people click ads,’ he says. ‘That sucks.’ Silicon Valley historian Christophe Lecuyer agrees: ‘It’s clear that the new industry that is building around Internet advertising and these other services doesn’t create that many jobs. The loss of manufacturing and design know-how is truly worrisome.'”