Agencies:

• Ad.ly raises money, hires CEO.

Social Media:

• Twitter tests business toolkit.

• CoTweet vs. HootSuite: battle of the business Twitter apps.

• As Facebook prepares to launch 'Places,' Foursquare improves 'Places'.

• IBM text mining upgrade is social media savvy.

Search:

• Microsoft turns to Tellme for Bing Mobile's new voice navigation.

Mobile Computing:

• Verizon-Google tablet PC: Five burning questions.

• AT&T has iPhone exclusivity until 2012.

• Square launches mobile payments for iPhone, iPad, Android.

Pearls of Wisdom:

• 5 top social media tips for the C-Suite.

• How to integrate social media into the classroom.

Productivity:

• Microsoft releases Office 2010.