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Google Inc.'s search-advertising prices plunged 12 percent in the first quarter from a year earlier.
One of the factors that depressed Google's cost-per-click prices is the growth of mobile search: ads designed for mobile devices such as smartphones and tablets.
Mobile-search ads are currently much cheaper than their conventional counterparts, with the average cost-per-click of a smartphone ad running 53 cents in March vs. 60 cents for a tablet ad and 76 cents for an ad that runs on a traditional computer, according to San Francisco-based Marin Software Inc. Those prices are counterintuitive considering that smartphone users were 72 percent more likely to click an ad than a desktop user in 2011.
Either your CTR is down OR, CPC [AdSense term] is down OR both which is it?
AdSense for content publishers...earn a 68% revenue share worldwide... Since launching AdSense for content in 2003, this revenue share has never changed. [adsense.blogspot.ca ]
Considering 97% of their money comes from online ads, guess whose money they're taking to make sure they meet their goal?
The current revenue share is stated your account settings.
Got proof of that allegation anywhere?