Ad Networks:

• Amobee acquires London-based RingRing.

Web Analytics:

• Why your website statistic reports are wrong, part 2.

Web 2.0:

• Netflix on Wii won't challenge Sony, Microsoft.

• HP, Microsoft set online services deal.

Social Media:

• Twitter's highest usage day ever.

Smartphones:

• 10 reasons why Windows Mobile 7 must launch in 2010, or else.

• Gartner: mobile to outpace desktop web by 2013.

Search:

• AdSense for domains expands use of keyword hints.

• Google v China - will Microsoft and Yahoo follow?

Security:

• Piracy may have cost Apple, developers $450 million.

• Google locks down Gmail with https.

• Baidu hacked by Iranian cyber army.

• Yahoo also said to be attacked by Chinese hackers.

• China cautions Internet companies.