The number of mobile phones is expected to exceed the world’s population this year, according to the International Telecommunications Union. Of course, many people, especially in developing countries, don’t have a cell phone. So this means that among those with mobile phones, many have a primary and secondary phone (the second one for work, most likely).
In addition, lots of us also have a Skype, Google Voice and Viber number. Some still hold onto landline phones because we’ve had those numbers for years and don’t want to lose them, even if we barely use our landlines anymore. (more…)