Which online IDs are people using the most to sign into services around the web. Whenever you visit a news, entertainment, or busines to business site, you can choose to sign in with your Facebook, Twitter or some other service and use it share information. The folks at Gigya have put together an inforgraphic illustrating which online IDs are used the most. Facebook is the most popular ID for entertainment websites, while people prefer a Twitter ID when they visit news sites. Click on the picture for a larger view.