Marketers Watch as Friends Interact Online

Birds of a feather flock together. Or, in the Internet age, a customer’s friend is a potential customer. Embracing those truisms, some big marketers, including Sprint and eBay, are turning to small start-ups to help them tap social-networking data to find would-be clients among the friends and acquaintances of existing customers, to the dismay of some privacy advocates.

Windows 7 Usage Outpaces Vista, Closes In on Mac

There’s a new sign Windows 7 is off to a strong start: Web surfers have started moving to the operating system much more quickly than they did its troubled predecessor, Windows Vista. A new research report says Windows 7 on Saturday surpassed 4 percent of all devices visiting Web sites that day, a little over two weeks after the commercial launch of the product.

Carriers Eye Pay-As-You-Go Internet

In the early years of the Internet, the more time people spent online, the more they paid a provider like AOL for their connection. But as customers have shifted to always-on broadband services, many Web surfers have enjoyed all-you-can-eat Internet for a flat rate.