The impact of mobile on this past holiday shopping season was projected to be huge, and huge it was. With final tallies coming in, spending via smartphone for online purchases hit $13 billion, based on a new study. That’s an increase of 59% from a year ago, according to comScore, and that’s just for the last two months of last year.

Read More: Mobile Holiday Sales Reach $13 Billion; 64% Of Retailers To Increase Smartphone Investments 01/13/2016