 This traffic growth is and will continue to be driven by large increases in the number of mobile subscriptions and by increases in the average data traffic per subscription due to increases in the number of smartphones being sold, the use of more demanding applications and in particular video, and the availability and deployment of newer 3G and 4G technologies capable of higher data rates.Total mobile broadband traffic was expected to increase by a factor of 12 to roughly 13,000 PetaBytes by 2018 .On average, a mobile laptop generates approximately seven times more traffic than a smartphone (3 GB vs. 450 MB/month).