Online Ad Market:

• Felix Salmon's take on the future of online advertising.

• AOL/Microsoft/Yahoo ad deal: 'The devil is in the details'.

Ecommerce:

• Ecommerce executives a hot hiring category now.

Social Media:

• Google+ will gain enterprise social collaboration features.

• Google announces "_nomap" WiFi opt-out option, wants other location providers to go along.

Mobile Computing:

• Google’s Android tops 50% of smartphone sales.

• Leaked BlackBerry London is real, launching in Q3.

• Air-style MacBook Pro due early Q2, say suppliers.

Gaming:

• Mobile games may be taking off, but how are their creators going to make money?

Pearls of Wisdom:

• How SEO brings ROI to business websites.