Stupid SharePoint Fact #327
Ever wonder why all those FrontPage (and subsequently now SPS and WSS) directories were called /vti? VTI was the acronym for a company called Vermeer Technologies Incorporated. Microsoft aquired the company in 1996 which had a flagship product. This product eventually became FrontPage. Hence all the vti directories all over your servers. You can check out the original press release here on it.