Entrepreneurs - Party Line - Instant messaging is usually a free service. What makes Jason Katz think he can make a buck selling it?
| Year of publication: |
2003
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|---|---|
| Authors: | Lyons, Daniel |
| Published in: |
Forbes : business and finance. - New York, NY : Forbes Publ. Co., ISSN 0015-6914, ZDB-ID 7162637. - 2003 (26.05.), p. 170-173
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