A man walks past a likeness of Samsung's F300 model cellphone featuring US pop singer Beyonce - 

It's time for Silicon Tally. How well have you kept up with the week in tech news?

This week we're joined by Glenn Greenwald, a journalist with The Intercept, and the author of "No Place to Hide: Edward Snowden, the NSA and the U.S. Surveillance State".

Follow Ben Johnson at @@TheBrockJohnson