From Yahoo’s Mobile Blog: “As expected within the classic early-adopter profile, we identified a male skew in the 35-44 age group among these early users. In fact, among all users, men outnumber women 2:1.”
“The iPad Yahoo! user closely followed the interests on Yahoo! that we would suspect: Flickr, Finance, Sports and News”
More results and charts at Y! Mobile Blog
[Hat tip to the Newsosaur]