A potentially disruptive thought

Risto Koski, a colleague from Nokia, and I were having a deep discussion when he naturally suggested that why bother making phones with both WiFi and cellular connectivity (now being called dual-mode).

Y'see, you could just have a WiFi phone and when you wanted to make a call, just go around looking for a WiFi access point.

Of course, if you are a regular 21st century person, this suggestion should shock you. You must be thinking: Who is going to be looking around for a place to call from?

Well, before mobile phones, such behaviour was the norm - to make a call, we would look for phone booths.

This suggestion has all the hallmarks of a disruptive situation.