WI-FI VS. CELLULAR: Why invest in cellular picocells instead of using the Wi-Fi ones we already have? Um, because I paid for -- and am paying for -- my home Wi-Fi network?

I should point out that Robert W. Lucky is a well knownpioneer in the field of data communications, and makes a number of good points in his article. That said, my home Wi-Fi network is still mine.

Read the comments as well.