T-Mobile's iPhone Add Angers BlackBerry Chief
February 20, 2014 at 11:54 AM EST
Millions of once-faithful BlackBerry (NASDAQ: BBRY ) users have made a switch to an iPhone device over the past few years. T-Mobile's (NASDAQ: TMUS ) recent advertisement is targeting the remaining faithful users, and its irking BlackBerry chief John Chen. T-Mobile is offering Apple's (NASDAQ: AAPL )