A lawsuit in Wisconsin is bringing a fresh challenge to the practice of paying for keywords on Google and other search engines to boost one company's link over a rival's.

NEW YORK (Reuters) - Investor Carl Icahn on Friday raised his offer for the senior notes of bankrupt CIT Group <CITGQ.PK> to $650 per $1,000 of principal notes tendered.

Drugmakers, Internet companies and nonprofits packed a hearing Thursday into what is a gray area for U.S. health regulators: how far social media can go in promoting drugs.

WASHINGTON (Reuters)- Drug makers, Internet companies and nonprofits packed a hearing into what is a gray area for U.S. health regulators: how far Twitter, Wikipedia, blogs and other social media can go in promoting drugs.

E-mail has taken a full circle.

Yahoo is done with its cost-cutting program and now hiring, Chief Executive Carol Bartz told CNBC Tuesday.

By Harry Suhartono and Kevin Lim

Google and the Authors Guild filed a new version of a deal to create a massive online library on Friday in hopes of answering antitrust and copyright concerns in the United States and overseas.

Sticking to shareholder-value theories is nearly impossible.

In some cases, the difference between a winner and loser is often in the eye of the beholder--who can be a victim or a beneficiary--or simply a political ideologue. That’s why we want readers to weigh in and vote on a variety of people and concepts. We’ll report back with results and rankings on December 1.

SAN FRANCISCO (Reuters) - Google Inc said on Monday that it was acquiring of AdMob, one of the largest mobile advertising networks, for $750 million, widening its bet that cell phone advertising could become the Internet's next-big money maker.

Yahoo Inc. clamped down on its political lobbying expenses in the third quarter even as the Internet company started to muster support for its proposed partnership with rival Microsoft Corp., according to a recent disclosure form.

Internet search leader Google will ease its control over millions of copyright-protected books earmarked for its digital library if a court approves a revised lawsuit settlement that addresses objections of antitrust regulators.

Apple's iPhone made its long-awaited formal debut in the world's most populous mobile phone market, without a key feature and at higher prices than widely available black market models.