Peter Jackson and Steven Spielberg showed a cheering Comic-Con audience new footage from their film The Adventures of Tintin.
Photo: Jon Snyder/Wired.com

SAN DIEGO — Steven Spielberg and Peter Jackson surprised audiences at Comic-Con with stunning new 3-D footage of The Adventures of Tintin: The Secret of the Unicorn. They mentioned plans for a sequel and hinted at a forthcoming Jurassic Park 4.

Google is quickly finding out that it’s not easy being Facebook.

In the first real public drama centered on Google+, the search giant’s answer to Facebook’s phenomenally successful social network, Google nuked the accounts of dozens of companies that had set up profiles on the site — despite Google’s warning that only real people were currently allowed on the site.

Thursday’s whacking knocked a range of companies — from Ford to Sesame Street to Wired — off the service that now looks to have an estimated 20 million users. Google deactivate the companies’ profiles — though the Mashable blog, which...