Arun Kumar, a senior product manager for BlackBerry, shows off the new BlackBerry Z10 during the global launch of the company's new smartphones in Toronto on Wednesday, Jan. 30, 2013. BlackBerry Ltd. reports it had a staggering US$4.4-billion net loss from continuing operations in its latest quarter as the company recorded a number of items related to its restructuring efforts. THE CANADIAN PRESS/Nathan Denette, File