Адаптация на русском:
http://app2top.ru/marketing/medialets-%D1%80%D0%B5%D0%BA%D0%BB%D0%B0%D0%BC%D0%B0-%D0%B2-%D0%BF%D1%80%D0%B8%D0%BB%D0%BE%D0%B6%D0%B5%D0%BD%D0%B8%D1%8F%D1%85-%D0%B2-%D0%B4%D0%B2%D0%B0-%D1%80%D0%B0%D0%B7%D0%B0-%D1%8D%D1%84%D1%84-45581.html
Оригинал:
http://www.medialets.com/insights/benchmarks-2014-h1/