February: Automakers launch e-marketplace, later christened Covisint.
?March: BtoB debuts.
April: Willis Stein acquires Ziff Davis Publishing for $780 million.
May: American Business Press renamed American Business Media.
?January: Andersen Consulting rebranded as Accenture.
August: Industry Standard folds.
September: Terrorist attacks on World Trade Center and Pentagon.
December: Enron files for Chapter 11 bankruptcy protection.
February: Cahners renamed Reed Business Information.
?February: UPS rolls out “What Can Brown Do for You?” campaign.
April: The Wall Street Journal adds color to its front page.
May: Hewlett-Packard Co. buys Compaq Computer Corp.
July: VerticalNet sells its e-marketplaces.
?May: General Electric Co. breaks “Imagination at Work” campaign.
June: ? FTC launches Do Not Call Registry.
October: Accenture starts sponsorship of Tiger Woods.
January: Federal CAN-SPAM Act goes into effect.
?February: Mark Zuckerberg launches Facebook (originally thefacebook.com) at Harvard University.
June: MediaLive cancels Comdex.
August: ? Google goes public at $85 a share.
February: Carly Fiorina resigns as CEO of HP.
May: JPMorgan Partners acquires Hanley Wood.
May: GE introduces “ecomagination,” an environmental branding platform.
?November: Three former PayPal employees launch YouTube.com.
?July: Twitter.com debuts.
October: Sun Microsystems became the first Fortune 500 company to hold a full-scale media event on Second Life.
November: Google buys YouTube for $1.65 billion.
November: Prism Business Media wins auction to acquire Penton Media.
December: Publicis Groupe acquires online ad agency Digitas for $1.3 billion.
?January: Microsoft Corp. releases Windows Vista and Office 2007—its largest product launch in history.
March: Veronis Suhler Stevenson acquires Advanstar Communications for $1.1 billion.
November: Facebook announces first advertising service—Facebook Ads.
December: ? Rupert Murdoch's News Corp. acquires Dow Jones & Co., publisher of The Wall Street Journal, for $5 billion.
March: JPMorgan Chase & Co. agrees to acquire the failing Bear Stearns for $240 million, or $2 a share.
July: Forrester Research buys Jupiter Research for $23 million.
?September: U.S. Federal Reserve Bank bails out insurer AIG for $85 billion.
September: Lehman Brothers Holdings files for Chapter 11 bankruptcy protection—the largest bankruptcy in U.S. history.
?April: Gyro International, HSR Business to Business merge to create GyroHSR.
April: Oracle Corp. announces plans to buy Sun Microsystems for $7.4 billion.
May: IDG launches Amplify, a social media ad unit.
July: Bing-Yahoo deal announced to rival Google.
December:? Bloomberg acquires BusinessWeek from McGraw-Hill Cos.; later relaunched as Bloomberg Businessweek.
December: Accenture severs ties with Tiger Woods.
April: ? Apple introduces the iPad, hailed as “savior” of paid content.
April: Reed Business Information shutters 23 titles in a single day; several are later sold to RBI managers.
April: Twitter announces it will feature ad-supported posts.