Top Trends for 2011:

• What will be big with digital signage in 2011.

Online Ad Market:

• New Facebook rules for in-app ads.

Legal/Regulatory:

• Google ordered to divulge four search marketers' identities.

Mobile Marketing:

• Report: Android market tops 200K apps.

• Apple prepares 3 versions of iPad 2 for 2011, sources say.

• For Ask.com, foray into social search points to mobile.

Business Strategies:

• Groupon authorizes up to $950 million Series G.

Online Video:

• Sears Holdings launches web video service.

Research & Stats:

• Canadians spend more time online than any other country.

Ecommerce:

• Discounts lure luxury goods shoppers online.

Women:

• RDA targets women over 35 with holistic health brand.