Today we are so used to our mobile (smart) phones. Could you live without it? Honestly, I think I couldn’t. Whenever and wherever we are we feel the need to communicate with each other. We want to update our friends and followers where we are and what we are doing. And in some years time this behavior will change dramatically again. But, do you realize we started using the mobile phone just about 15 years (or less) ago? The following YouTube movie shows a great overview of this past and includes some amazing figures and predictions.