Online marketing spending in Europe will double to Eur16 billion ($20.16 billion) in 2012, from about Eur7.5 billion ($9.45 billion) in 2006, according to Forrester Research's "European Online Marketing Tops Eur16 Billion in 2012" report. The study covered France, Germany, Italy, the Netherlands, Poland, Spain, Sweden and the UK, and included surveys of both consumers and marketing firms.