Publishing:

• Analyst: Digital fees not enough to help NY Times.

Ad Technologies:

• New technology helps brands optimize search results.

• Digital video advertising has strong potential, but problems persist.

Mobile Computing:

• Apple overtakes Nokia in China as iPhone brand, sales surge.

• iPad 3's dense display a challenge for manufacturers.

• With new smartphones, high hopes for Nokia and Microsoft union.

• Google Music mobile landing page hints tunes are coming to the Android Market.

• Sony acquires mobile unit Sony Ericsson.

• How Nokia can stave off smartphone irrelevance.

Business News:

• Google paid over $1.4B for 57 acquisitions in 2011.

E-commerce:

• Groupon CEO says replacing 10 percent of sales staff.