What you need to know - Monday 11/29/2010

ClickFox raised $17.9M; Online Black Friday sales up 9% vs last year; Google buys Groupon for $2.5B?

Yandex,  a Russian search engine, is reportedly considering a flotation that could value the firm at about $1.56 billion, according to thisismoney. The company is most likely to list in London early next year.

ClickFox has raised $17.9 million. ClickFox is a  a Web analytics company, that also offers multi-channel metrics.

The US Immigrations and Customs Enforcement agency seized domain names from a group of over 70 copyright infringing websites over the last week.  A to one of the seized domains now shows visitors a legal warning. Site that may be at risk, or that have already been seized are moving off of the .com ending.

Black Friday saw an increased  number of online shoppers,  according to new data from online research firm comScore. US online merchants saw $648 million in sales on Black Friday this year, which is a 9 percent increase from online Black Friday sales last year.

Celebrities such as  Lady Gaga, Justin Timberlake and Ryan Seacrest will stop posting on Twitter and Facebook as part of a $1 million fundraiser for World AIDS Day, on December 1. 

Google purchased Groupon for $2.5 billion, according to an unnamed insider who spoke with VatorNews. Neither Google nor Groupon could be reached for confirmation.