Internet via the Power Grid: New Interest in Obvious Idea. The idea of sending Internet data over ordinary electric power lines is getting sudden attention in response to several trial efforts. By John Markoff and Matt Richtel. [New York Times: Technology]

Profits Exceeded Expectations at Yahoo in First Quarter. Better-than-expected advertising sales, along with steady growth of its fee-based businesses, helped Yahoo earn better-than-expected profits. By Saul Hansell. [New York Times: Technology]

B Sky B: Big Gains on Big Gambles. Anyone doubting the magnitude of the challenge facing EchoStar should consider the saga of Rupert Murdoch's B Sky B in Britain. By Alan Cowell. [New York Times: Technology]

In Searching the Web, Google Finds Riches. The band of technoinsurgents who run Google are striking a blow against the giant Web portals by rewriting the rules of Internet advertising. By John Markoff and G. Pascal Zachary. [New York Times: Technology]