Even David Karp himself doesn't use Yahoo Mail

Did anyone else notice that David Karp's resignation letter from Tumblr was clearly written in Gmail?

That's right, Karp, we caught you. Tumblr's founder and former CEO doesn't use Yahoo mail, the mail service of Tumblr's parent company. 

Your proof: the email Karp sent to his staff explaining his resignation. The layout, font, and interface of his screenshot are clearly that of Google's email service — not Yahoo's. 

Tumblr did not immediately respond to requests for comment. 

In the letter, Karp states that "This team and place has been my family and home for most of my adult life." Clearly, however, it hasn't been the home of his emails correspondence.  Read more...