Monday, December 28, 2009, 5:50PM ET - U.S. Markets Closed.

From Silicon Alley Insider:
Google (GOOG) reports Q1 today after the close. The call is at 4:30 Eastern / 1:30 Pacific (a half-hour earlier than you think). We'll be providing live analysis of the release and conference call.
Release
Webcast (1:30PM / 4:30PM)
SAI Spreadsheet: Google Financial Analysis
PREVIEW
We won't rehash the full debate, but here are the highlights. In Q1, the market has seen:
We know Google is intentionally reducing "accidental clicks" to improve ROIs for advertisers. We also know that, as late as early March, Eric Schmidt said the company still hadn't seen any impact from the weakening economy. The bulls argue that the company's click- quality improvement programs will lead to higher prices-per-click for the remaining clicks, thus offsetting the loss of revenue units. The bears argue that price increases can't possibly offset the drastic slowdown and that Google will see a sharp deceleration in US revenue in Q1.
Google generates about half of its revenue from the US, so if the US slowdown is significant, international would have to be extremely strong to offset it. Consensus estimates have dropped significantly since the start of the quarter, however, so the bar is considerably lower than it was three months ago.
We have modeled the quarter in detail, and we believe the company could survive a slowdown in the US business to about 25% Y/Y versus 40% in Q4 (and reported paid-click growth in Q1 of 2%). Any more of a slowdown, and Google will probably miss the current revenue consensus. (The EPS consensus is easier: Unless Google has continued to increase spending in the face of a sharp revenue slowdown, the company should easily beat EPS consensus).
Key Metrics
SAI Spreadsheet: Google Financial Analysis
As per the information available about GOOG's earnings, It may slightly miss the estimates if not beating them. In either case the stock is going to dive around $420 range on friday and eventually will be rising slowly based on the forecast. Bulls...tighten your belts for a wild ride.
AdGooroo just released their quarterly research report on Google and Yahoo. It clearly shows that Google's quality algorithm cost them quite a few advertisers since July, but that they bounced back in Q1 (at Yahoo's expense). This seems to support the idea that earnings will be up. http://www.adgooroo.com/google_gains_advertiser_share.php
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Yahoo! Finance User - Thursday April 17, 2008 12:43PM EDT
I once saw a study that provided primary data showing that click fraud was 66% of the ppc traffic. It was a very clever system which proved that mostly bots were responsible for the fraud and that it was happening a-synchronously to page impressions. If that report was right, then we'll know how to factor the revenue report later this afternoon. However, if Goog wants to protect itself it can simply recalculate the adsense publisher's split to its own advantage. That will work, but only temporarily as they will lose publishers over time with this technique. What they take in on their own search pages is 100% theirs.