Apple today announced that HBO GO and WatchESPN are now available directly on Apple TV joining the great lineup of programming offered to customers. iTunes users have downloaded more than one billion TV episodes and 380 million movies from iTunes to date, and they are purchasing over 800,000 TV episodes and over 350,000 movies per day. “HBO GO and WatchESPN are some of the most popular iOS apps and are sure to be huge hits on Apple TV,” said Eddy Cue, Apple’s senior vice president of Internet Software and Services. “We continue to offer Apple TV users great new programming options, combined with access to all of the incredible content they can…