Walk when you talk get Serious?

Ahmm... i was thinking about this IDEA's campaign "Walk When you talk". Idea Cellular in its ad claims doing so would reduce calories and help you be fit (Now - this is what i call business. Or rather, clear understanding of Business. Most of us do speak in Mobiles than we walk! Things should really... really change.)

But stop a moment. Do you think this is right? We do frequently hear a lot of accident cases happening because the the loser was speaking over the phone on the road and to the worst - on railway tracks. Maybe a serious conversation with a client or boss.. But, the tragic end ?? Think. Better sit, talk and then walk!