Chief executive and chairman, Amazon.com.
Built Amazon into the Internet's largest retailer.
Amazon has had one profitable quarter in its eight-year history. It needs to deliver a full year of profits--and then keep doing so.
Senior vice-president and chief information officer, Cisco Systems.
Spearheading the latest round of Web-related improvements at Cisco, directed at offering staff and customers the most up-to-date information.
Getting customers and suppliers in Asia to use the Web.
Chief executive, Overstock.com.
By buying excess inventory from manufacturers, other retailers, and defunct dot-coms, Byrne has created a successful closeout shopping site.
Proving that its brand of discount e-tailing is viable--despite the wreckage of dozens of Net-based retailers.
Glenn E. Cohen
Chairman, YHD Foxtons.
His real-estate agency combines traditional services with Web-based tools such as virtual tours and low fees.
To gain share in a fragmented industry of independent agents by branching from its East Coast base into other major metropolitan markets.
CEO, BT Retail.
Launched the first commercial public-access Wi-Fi network in Britain, so customers can get wireless high-speed Web access from locations such as hotels and gas stations.
Building on BT's customer base to roll out the new technology--then signing deals with foreign partners.
CEO, USA Interactive.
Has assembled some of the Web's hottest e-commerce properties in a quest to build an online-travel juggernaut.
Can he weave together his disparate holdings adroitly enough to make the whole greater than the sum of the parts?
Professor of telecommunications, University of Pennsylvania/Wharton School of Business. On sabbatical at Carnegie Mellon's School of Computer Science and its Heinz School of Public Policy.
Free--and frequent--high-tech advice to telecom's regulatory watchdogs in Washington and to participants on his 25,000-member e-mail list, which he has entitled "Interesting People."
"Getting the nerds to talk to the wonks."
Dell Computer's chief marketing officer and vice-president, U.S. consumer marketing and e-business.
Instituting the latest round of online enhancements, designed to improve customer experience at Dell.
Keeping Dell out front as rivals become increasingly Web-savvy.
CEO, Real Networks.
Built the premium online audio- and video-content business with the most subscribers.
Not to get steamrollered by Microsoft.
Created a supersimple mail-order DVD subscription service that has taken the movie-rental market by storm.
Keeping at bay powerful competitors, including Blockbuster and Wal-Mart.
President and chief operating officer, Sony Computer Entertainment America.
Spearheading Sony's efforts to popularize online console-based gaming in North America.
Proving that Sony's business model for online gaming works better than that of archrival Microsoft.
Ernest F. Hollings
U.S. Senator (D-S.C.).
Writes tech legislation as chairman of the Senate Commerce Committee.
Break logjams blocking consumers from taking advantage of the Net.
CEO of T-Online International (the internet affiliate of Germany's Deutsche Telekom).
He put Europe's biggest ISP into the black, providing a bright spot to a gloomy telecom scene.
Keep growth going with new sources of revenue, such as paid services in online music, video, and games.
Subrah Iyar and Min Zhu
CEO, and president and chief technical officer, respectively, WebEx.
Iyar and Zhu have made WebEx a profitable public company with a 58% share of the market for Web-conferencing services.
Sustaining double-digit annual growth by adding new services in areas such as e-learning.
Kim Taek Jin
Founder of NCSoft Corp.
The company's fantasy cyberworld--an online game that runs 24-7--has hooked Korean and Taiwanese youth by the thousands.
Today, Korea. Tomorrow, the world.
Chief technical officer, PayPal.
Architect of the antifraud component of PayPal's dominant electronic payment network.
Keeping up with--and snuffing out--the efforts of potential thieves to defraud online merchants who use PayPal's e-commerce software.
Chairman, Media & Communications Group, AOL Time Warner.
Built Time Inc. into the largest, highest-grossing magazine publishing business in the country.
To resurrect the fast growth AOL once enjoyed.
Head of strategy for IBM's "E-business on Demand" initiative.
Contributions: Has brought in big early clients to test IBM's approach for renting out services and software to well-heeled customers via the Net.
Challenges: Has to prove that IBM really can deliver high-quality Net-based services on an hourly or daily basis.
Chief spam zapper for Hong-Kong based Outblaze.
Founded the Indian chapter of the Coalition Against Unsolicited Commercial E-Mail (CAUSE).
"I saw my mailbox being overrun by junk. I wanted to do something about it."
Guided Comcast in its successful $47 billion bid for AT&T Broadband, making Comcast the largest broadband provider in the country.
Delivering on broadband's many promises.
The exec behind Microsoft's .Net initiative.
Pushed this pro-ject for sharing and using information over the Internet into the mainstream, winning big clients such as Citigroup.
Winning over customers suspicious of Microsoft's track record on security and privacy.
Has helped Google morph from popular pure-consumer search engine into a diversified search provider for corporations and one of the Net's biggest advertising platforms.
Crack the international market and keep growth strong on Google's own site--while making sure partners that use Google search services stay happy.
Chairman and CEO of Yahoo!
Contributions: Has streamlined business and restored Yahoo to profitability for the first time in seven quarters.
Challenges: Must prove that Yahoo's growth is sustainable, as its core business of Net advertising continues to deteriorate.
Recognizing early the potential of Wi-Fi wireless local-area networks, he has made Wayport the nation's largest Wi-Fi operator in hotels and airports.
To keep up with the demand for Wi-Fi while leading Wayport to profitability.
Has proven that e-commerce can be wildly profitable. The number of registered users at the auction site has mushroomed to 50 million.
Integrating eBay's $1.5 billion acquisition of Web payment service PayPal and adding enough areas of new growth to reach its lofty goal of $30 billion in transactions by 2005.