Word documents used to be relatively benign (way back in the day). Then, macro viruses were introduced to the world. No big deal. The PDF (Portable Document Format) is still safe, right? Wrong. “Proof-of-concept” virus code was released for the doctype a few months ago; an exploit has truly yet to surface. Now, just when you thought it was safe to view SWF (Shockwave Flash) files, someone comes along and infects one of them. That's right – those cute little animations could actually be hiding digital nasties now. I expect to see some kind of patch from Macromedia soon. Until then, be careful about what sites you visit in the near future.