180
4.3 Billion People Now Own Smartphones
(www.gizchina.com)
This is a most excellent place for technology news and articles.
What's a smartphone's purpose?
To be a portable computer. They do so much more than open social media. You can learn new information on Wikipedia, read the weather predictions, organize you calendar, edit a spreadsheet, play games, etc. All from the palm of your hand. As someone who grew up in the time before smartphones, it's truly magnificent how fast we've progressed and where we are now.