According to Thinkbox, revenues from TV advertising rose 7.4% to £5.27bn in 2015, the sixth year in a row in which growth was recorded. Thinkbox also noted that online businesses advertising on TV formed the second biggest category during the year. Between them around £500m was spent on advertising during 2015. This included the likes of Facebook which is purported to have invested around £10.8m in TV advertising. Other online businesses, including Netflix and Google also took to TV to promote their businesses. In the case of Netflix, as much as 60% of its advertising budget was allocated to TV.