27 janv. 2014 - 1.75 billion smartphones predicted for 2014. mobile phone users are rapidly switching over to smartphones as devices become more affordable and 3G and 4G networks advance. Mobile app use was also on the rise, data from Nielsen shows that U.S.
Ajouté au bande de temps:
Date:
27 janv. 2014
Maintenaint
~ Il y a 11 ans