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The Guardian - UK
The Guardian - UK
Technology
Jack Schofield

Silicon Alley Insider lists The World's Most Valuable Digital Startups

The SAI 25 is a new list of the world's most valuable digital startups from the famous Henry Blodget and an SAI25 Advisory Board..

The site says: "The SAI 25 is not a static brag-sheet, updated and published once a year. On the contrary: it changes as facts and markets change -- and, in this industry, they change fast. Private company values change in real-time, just like public-company values, and so will the SAI 25 (If you want to see the up-to-minute value of your company, just click here)."

It's guesswork, of course, and in some cases, notional at best. For example, Wikipedia would presumably be worth $7 billion if it were run as a commercial company, which it isn't. Nor is the Mozilla Foundation. Still, here's the Top 5

Rank Company Valuation 1. Facebook $9 billion 2. Wikipedia $7 billion 3. Craigslist $5 billion 4. Betfair $5 billion 5. Mozilla Corp $4 billion

There's a page for each company, so if you want to argue about the Facebook valuation, say, you know where to go.....

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