November 24 marked Thanksgiving in the United States but despite the mountains of food, some Twitter users were left with an empty feeling. That's because of Fishtopher, an incredibly sad-looking cat whose adorable face, and subsequent adoption, have taken the website by storm. Twitter users first became aware of Fishtopher from a tweet by user @mollyaclarke, which shared the cat's Petfinder page. He was living at a shelter in New ...