Who owns the digits?

Gervase Markham asks Who owns the alphabet?. Being more of a numbers guy myself, I was curious about digits. Similar disclaimers apply.

First Hit Description Comment Honourable Mentions (top 10)
0 The W3C Validator A free service that checks documents like HTML and XHTML for conformance to W3C Recommendations and other standards. An appropriate start, perhaps due to XHTML 1.0? Netscape, Microsoft, Business 2.0, an AOL error page (!)
1 The W3C Validator A free service that checks documents like HTML and XHTML for conformance to W3C Recommendations and other standards. Hmm. XHTML 1.0 and 1.1? VH1, Bobby, Mozilla.org, BBC 1
2 The W3C Validator A free service…. The W3 again. Weird coincidence? (Top10) Many others have found that having a 2 in your name doubles your fun (and PageRank, apparently). Learn2.com, Internet2, Playstation.com
3 The W3C Validator A free service and so forth. And again the W3. Conspiracy, anyone? 3Com, QuickTime, id.
4 The W3C Validator Yadda yadda yadda. This just isn’t funny any more. What, does the World Wide Web Consortium own Google? (Top10) Finally, some new contenders. Macromedia, Microsoft, PHP, United States Postal Service
5 Macromedia Servlet/JSP engines. Description from their site. Oh, and a little thing called Flash, too. (Top10) All the old regulars. Microsoft, Apple, Opera
6 Macromedia Servlet/JSP engines. Does anyone else sense a pattern? Netscape, Microsoft, Motel 6, Adobe
7 Netscape All NEW Netscape 7.0 – Netscape’s FASTEST browser! (Top 10) Finally some new sites again. Real, Jasc, 7-Eleven
8 Real One easy way to play every major media format in one amazing Player. (Top10) Wow. A Your browser sucks! page. I thought those were dead. Super 8 Motels, ISC BIND, WinZip, SPring-8 (synchrotron), entropy8zuper.org
9 Number Nine Number Nine Visual Technology has ceased operation. The company has been out of business for years and it’s still number one. (Top10) Finally a category not dominated by corporations. Too bad it’s the last. 9-11peace.org, The Nine Planets, Plan 9 OS