Wired News article from OS X Developers Developers Developers* Conference, where Tim O'Reilly of Reboot 6 fame was speaking;

O'Reilly said the old idea of stand-alone software -- the unconnected word processor or spreadsheet -- is becoming passé. Even the idea of making a distinction between software platforms -- Mac, Windows and Linux -- is starting to no longer make sense.
[...]
Afterward, consultant Joshua Wait of ArcSource Technology Consulting said Windows also offered similar Net-enabled software. "They're called viruses," he said.

*No, this guy did not attend....