8 Whitepaper: The Limitations of PDFs for Marketers
On computers
Average hours spent watching video per month
Source: Nielsen, 2012
On mobile devices
2010 2011 2012
4:13 4:31 5:24
4:20 4:50 5:01
YouTube users spend
3 billion hours a month
watching videos (...)
YouTube is the fourth
most popular social
network in use today.
