The first hand-held mobile phone was demonstrated by Dr Martin Cooper of Motorola in 1973, using a handset weighing 2 kg. In 1983, the DynaTAC 8000x was the first to be commercially available. From 1990 to 2010, worldwide mobile phone subscriptions grew from 12.4 million to over 4.6 billion. More information at Wikipedia.
Mobile phones are no longer a luxury but a necessity in people’s lives. Chris Yates from Huddle Productions did video interviews with a variety of people at a Social Media Club of Dallas event. The event was sponsored by Verizon.