Even before the iPad was released, Yahoo started catering to potential users, releasing a Yahoo Entertainment app. It later partnered with Appolicious, too. Now, Yahoo's taken a look at what sort of iPad owner audience it's attracted, and it seems that Yahoo's done best with wealthy-ish, middle-aged men who take lots of pictures. Let's start with the simplest subject: gender distribution. About 66 percent of iPad users on the Yahoo network are male, compared to 51 percent of regular Yahoo users in the U.S.