by: Hugo Miller & Nadja Brandt | Bloomberg

BlackBerry (BBRY) Chief Executive Officer Thorsten Heins said the popularity of tablet computers may wane, an indication the company may shelve a follow-up to its ill- fated PlayBook device. 

“In five years I don’t think there’ll be a reason to have a tablet anymore,” Heins said in an interview yesterday at the Milken Institute conference in Los Angeles.