| http://www.w3.org/ns/prov#value | - The estimates were ??1.35 billion in sales in 2005.[14] MarketingSherpa's research team estimated that, in 2006, affiliates worldwide earned US$6.5 billion in bounty and commissions from a variety of sources in retail, personal finance, gaming and gambling, travel, telecom, education, publishing, and forms of lead generation other than contextual advertising programs.[15]
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