BlackBerry sales have slumped in the U.S. but is still strong in emerging markets . `` Mobile has already revolutionized African society and yet demand still continues to grow by almost 50 percent a year , '' said Tom Phillips , Chief Government and Regulatory Affairs Officer , GSMA . New models launched should remember why they are popular in developing world . In places like Brazil and South Africa , the 10 is the update to their current phone . Comment:
BlackBerry sales have slumped in the U.S. but is still strong in emerging markets . New models launched should remember why they are popular in developing world . In places like Brazil and South Africa , the 10 is the update to their current phone . Comment: