A startup has crapped-in on the social network fad, offering toilet paper custom-printed with the Twitter feed of your choice. Yes, the aptly named Shitter service takes a stream of Tweets from a Twitter account and reproduces them in bog roll form. A trending bathroom accessory, perhaps? The Tweet sheets can be based on any Twitter feed - even Shitter’s own - including your own personal posts, as well as timelines, favourites and custom lists. At $35 (£22) for a pack of four, the rolls are on the pricey side, although every time you spend a penny, you’ll be encouraged to drop a pound, so to speak