April 20, 2010 2:02 pm Training Day for Dragons ‘How to Train Your Dragon‘ has gone from bookshelves to the big screen and now the game console with this offering from Activision. US & World Videos 2:42 Tech companies now using AI to help boost housing market 1:34 Artificial intelligence used to avoid blackouts 1:25 Bay Area high school seniors honored with Dave Goldberg Scholarship 0:26 Kaiser Permanente data breach may have affected millions 3:29 Watch: Why the pay gap for women in tech hasn't budged