You had a lot to say about last week's Marketplace episode, Canada's Worst Cellphone Bill.
Most of the questions sent our way were technical, so we took them to
our featured wireless technology expert, Srinivasan Keshav of the
University of Waterloo. Read on to find out what Professor Keshav has to say about the price differences between voice and data roaming, how he arrived at the figures presented in the show, and what he says you can do to save on roaming costs.



