Just how big are Elon Musk and Bill Gates’ carbon footprints? You might be surprised Walking in a billionaire’s shoes We found that billionaires havecarbon footprintsthat can be thousands of times higher than those of average Americans. The wealthy own yachts, planes, and multiple mansions, all of which contribute greenhouse gases to the atmosphere. For example, a superyacht with a permanent crew, helicopter pad, submarines, and pools emits about 7,020 tons of CO2 a year, according to our calculations, making it by the far worst asset to own from an environmental standpoint....

The Obama campaign is about to get a lot more aggressive in its use of Facebook and Twitter to help bolster the incumbent candidate’s efforts for reelection. One of the most interesting changes to the way that the staff handles the social media updates is that President Barack Obama will begin tweeting (on occasion) from the@BarackObamaaccount personally. The announcement was made in a blog post on the Barack Obama 2012campaign site....

Oh Gizmodo, we love you. Moments before Rupert Murdoch is to officially unveil his beloved iPad newspaper and you’ve gone and spoiled his fun. Gizmodo,who wasn’t invitedto the party today,has leakedthe following information about The Daily.Just $40 a year will get you a subscription to 365 days of these contents: • Over 100 pages of original news, life, entertainment, opinion and sports –• every single day of the year• Original video content• A selection of articles read aloud• 360 degree photos you can explore by swiping• Immersive photography• Interactive charts, info-graphics and clickable ‘hot spots’• The option to save articles to read later• Web-friendly versions of articles you can share via Twitter, Facebook and email• In-app comments – including audio comments• Your local weather• Your favorite sports teams’ scores, news and feeds• Crossword and Sudoku puzzles...

WANT!is a brand new mobile app that lets you capture, share and thus remember things you want in the outside world, whether its a product, food or drink, or even a haircut or a nap. You can peruse the app to discover items posted by others, then “Want” those items, which essentially builds a list of “most wanted” items based on the social graph. The app, which has been in private beta, officially launched today [Download iOS, Free] and is being described as “TheLike buttonfor the real world....

Just as Twitter answered a simple question, ‘What are you doing?’ the founders behind Bre.ad want to help you answer the question ‘What do you recommend?’ Just like Twitter has lowered the barrier to blogging, Bre.ad makes promoting your favorite brands and interests simple, effective and available for free to anyone. The company originally showcased its digital billboard tool atthis year’s TechCrunch Disrupt. Today, Bre.ad has officially launched, allowing users to create a personalized banner advert to promote their personal brands and interests....