Advertising Stats of the Week: Dorito Inventor Cashes in Chips, Causes Search Mania

Plus: Twitter ad revenue forecast to jump 210%; tablet users spend 48% more time on the Web; Americans scarily into Halloween; JCPenney steps in it again
14,338%: The percentage increase in searches for Doritos last week, with 73% of the searches coming from women, via @yahoosearchdata. This was likely spurred by the death of Arch West, the inventor of Doritos. Rest in peace, sir: You made lots of people fat and happy.
$72.5 billion: The global digital ad spend for 2011, forecast by ZenithOptimedia. That should increase to $83 billion in 2012, driven by the 2012 Olympics in London, the presidential elections in the U.S., and ad-market growth in China, India and Brazil.
$1.23 billion: Estimated mobile ad spend for 2011, according to eMarketer, which represents a 65% increase over 2010. Mobile ad revenues should leap to $4.4 billion by 2015, due to the increased rate of smartphone and tablet adopters over that […]

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