Online Ad Market:

• New 'Adware' apps bug Facebook, Google.

• Crisp Media acquires Smart Device Media.

Social Media:

• Facebook introduces subscribe button.

Search:

• The 20 most expensive keywords.

Mobile Computing:

• Nokia revamps its retail strategy to woo more customers.

• Citi says next iPad will launch in February.

Online Music:

• Spotify Radio gets a big makeover, goes truly unlimited.

Gaming:

• Google nabs Square Enix and other game developers to do native client Chrome games.

Signs of What's to Come:

• Apple 3D display & Kinect-style tracking system still in labs.