Today in Tech: Is this the iPhone 5?

• Let’s kick off the new week with a new iPhone 5 rumor… An alleged leak from China reveals engineering sketches of Apple’s next-generation smartphone which will be used to make case and bumper accessories. On first glance, you’ll notice it pretty much resembles the iPhone 4, but upon further examination, the screen size is longer and wider — pretty much edge-to-edge on the left and rights sides, something the iPhone 4 can’t claim. (Fast Company and MacRumors)
• HP CEO Leo Apotheker will probably discuss his company strategy later today, which ought to include how to capitalize on the shift to online services. A source also tells the Wall Street Journal Apotheker won’t give a long-term financial forecast, but he will say HP is poised to grow as fast as the rest of tech industry, move into new higher-margin businesses and achieve double-digit growth. (Wall Street Journal)
• AT&T plans to cap DSL data usage and carry out overage charges for users who go over the limit starting May 2. Those who surpass the new monthly limit of 150 GB of data on three separate occasions will find themselves charged $10 for every extra 50 GB of data consumed. Meanwhile, customers of AT&T’s higher-end U-Verse Internet service will fave a higher 250 GB data cap. (Wall Street Journal)
• After my colleague Phil Elmer-DeWitt’s coverage of crazy iPad 2 lines this past weekend, is it any surprise the tablet is completely sold out? Gene Munster over at Piper Jaffray estimates Apple sold between 400,000 and 500,000 of them, compared with 300,000 iPad 1 units sold last year. Also notable: 70% of iPad 2 buyers were new iPad buyers, compared with just 23% of iPhone 4 buyers who were new to the smartphone line. (Fortune)
• The number of Windows Phone 7 apps passed 10,000 in 4.5 months, faster than the iPhone (4.5 months) and Android (11 months) and significantly more apps than Palm’s Web OS ever had. (Pocket Now)

• 

  4Chan founder Christopher Poole, 23, unveiled his next project at South by Southwest over the weekend. Canvas, which has already raised funding from investors like super angel Ron Conway, Huffington Post co-founder Kenneth Lerer and Delicious creator Joshua Schachter, is an image uploading site that lets users watch others add to and remix content. (New York Times)

   

• Group buying site BuyWithMe acquired daily deals site LocalTwist for an unspecified amount. The move helps bring the former into the Seattle market, while at the same time increases its presence and market share in San Diego. (Horn Group) 

• Ever wondered how much of a toll multitasking takes on the brain? Check out this fun, if sobering, infograph from researchers over at Rasmussen College. 

Don’t miss the latest tech news. Sign up now to get Today in Tech emailed to you each and every morning.