Blackberry sets out on path to future
Struggling mobile phone platform Blackberry insists it is on the path to a brighter future.
After a difficult year, a new team at parent firm Research in Motion has a new operating system and products on the horizon.
But can the company regain the heights of its former success, in the face of stiff competition from Apple and Android?
Alec Saunders, the company's Vice President of Developer Relations, spoke to the BBC's Rory Cellan-Jones at the Mobile World Congress in Barcelona.