A Blackberry sign is seen in front of their offices on the day of their annual general meeting for shareholders in Waterloo, Canada in this June 23, 2015 file photo. REUTERS/Mark Blinch/Files


A Blackberry sign is seen in front of their offices on the day of their annual general meeting for shareholders in Waterloo, Canada in this June 23, 2015 file photo.

REUTERS/Mark Blinch/Files