Microsoft has developed a fascinating style of using language--Microspeak, let's call it--with a refinement, a subtlety, a fine polish all its own. To understand certain announcements and news releases issuing from Redmond, Wash., requires rhetorical analysis and possibly a glossary. The exercise can be worth the effort, though, because after all, Microsoft is Microsoft. These days, if you don't savvy Microspeak, you're going to be left behind.