Bits: Rediscovering Radio Through Apps

Despite the popularity of listening to music on services like iTunes, Spotify and Pandora, radio suddenly becomes more appealing for its human element.

    

Bloomberg Begins Fund to Invest in Start-Ups

Bloomberg Beta is the first time that Bloomberg L.P. will reap profits from investments in some of the technology companies that its news operation covers.

    

The Media Equation: Barry Diller’s Aereo Service Challenges Cable Television

Aereo, a start-up backed by Barry Diller that captures broadcast signals to be streamed online, is sowing chaos in the cable television business.

Advertising: Honest Tea Develops a Business Guide as a Comic Book

The beverage maker Honest Tea has aimed to help start-ups by telling its tale of missteps and successes in an accessible format.

Advertising: In San Francisco, a Thriving Advertising Agency Start-Up Scene

The San Francisco ad market is being influenced by the entrepreneurial spirit of nearby Silicon Valley, with agency employees going into business for themselves.