Wez Furlong has posted the slides from his other talk at the php|works & web|works conference today via this post on his blog.

You can find the slides from my PHP and COM talk here (PDF).

For those that were there and interested (Oz, mostly :), I'll see about adding some docs on the win32 service extension over the next couple of days.

The talk (PDF) talks about what COM is, what an OLE is and is used for, what COM can be used for on Windows, and, of course, some examples. If you're interested in COM with PHP, be sure to give this a look...