I found the list on Wikipedia:
Acquisitions and investments
* In July 1998, eBay acquired Cincinnati, Ohio based online auction site Up4Sale.com.
* In May 1999, eBay acquired the online payment service Billpoint, an unsuccessful competitor to PayPal, which they closed following the 2002 acquisition of the latter.
* In 1999 eBay acquired the auction house Butterfield & Butterfield, which it sold in 2002 to Bonhams.
* In 1999 eBay acquired the auction house Alando for $43 million, which changed then to eBay Germany.
* In June 2000 eBay acquired Half.com for $318 million, which was later integrated with the eBay Marketplace.
* In December 2000 eBay acquired the Precision Buying Service portion of Deja.com.
* In August, 2001, eBay acquired Mercado Libre and Lokau, Latin American auction sites. eBay also acquired iBazar, a French auction site.
* In July, 2002 eBay acquired PayPal, for $1.5 billion in stock.
* On January 31, 2003, eBay acquired CARad.com, an auction management service for car dealers.
* On July 11, 2003 eBay Inc. acquired EachNet, a leading ecommerce company in China, paying approximately $150 million in cash.
* On June 22, 2004, eBay acquired all outstanding shares of Baazee.com, an Indian auction site for approximately $50 million in US cash, plus acquisition costs. Baazee.com subsequently became eBay India.
* On August 13, 2004, eBay took a 25% stake in Craigslist by buying out an existing shareholder who was once a Craigslist employee.
* In September 2004, eBay moved forward on its acquisition of Korean rival Internet Auction Co. (IAC), buying nearly 3 million shares of the Korean online trading company for 125,000 Korean won (about US$125) per share.
* In November 2004, eBay acquired Marktplaats.nl for €225 million. This was a Dutch competitor which had an 80% market share in the Netherlands, by concentrating more on small ads than actual auctions. Marktplaats is the Dutch word for Marketplace.
* On December 16, 2004, eBay acquired Rent.com for $415 million in cash (original deal was for $385 million of the amount in eBay stock plus $30 million in cash).
* In May 2005, eBay acquired Gumtree, a network of UK local city classifieds sites.
* On May 18, 2005, eBay acquired the Spanish classifieds site Loquo.
* In June 2005, eBay acquired Shopping.com, an online comparison site for $635 million.
* At the end of June 2005, eBay acquired the German language classifieds site Opus Forum.
* In September 2005, eBay bought Skype, a VoIP company, for $2.6 billion in stock and cash.
* In April 2006, eBay invested $2 million in the Meetup.com social networking site.
* In April 2006, eBay acquired Tradera, Sweden's leading online auction-style marketplace for $48 Million.
* In August 2006, eBay announced international cooperation with Google. Financial details have not been disclosed by either party.
* In February 2007, eBay acquired online ticket marketplace StubHub for $307 million.
* In May 2007, eBay acquired a minority stake in GittiGidiyor.
* In May 2007, eBay acquired the website StumbleUpon for approximately $75 million.
* In October 2007 eBay wrote off $1.43 billion of its investment in Skype, admitting that it "drastically overpaid" for the company.
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Kathy