h ibuddy...sounds an interesting topic.....but you must keep the following points in mind......remember Sam pitroda the guy who started telecom revolution..in india....then the advent of gsm and cdma........well to give the example of the explosive growth in telecom industry...i must state that Nokia as a cos started to market mobiles in 1984....and today it is a behemoth in its field..........
to state another example......you can give the example of latest advent of softwares like Skype.....wherein you can call a person through you r comp....