After years of silence from BlackBerry, CEO John Chen is making sure his voice is heard.
Chen expressed his outrage in a public blog, after U.S. carrier T-Mobile offered an iPhone upgrade to its BlackBerry customers.
In the blog, Chen chastised T-Mobile for what he called a "clearly inappropriate and ill-conceived marketing promotion."
At 7:40 we'll hear from tech analyst Carmi Levy with his take on what happened and what this means for the company.
What do you think of Chen's letter? Let us know in the live chat below.
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