Mac OS X's Preview app has come a long way since its humble beginnings as a PDF viewer. AppleInsider reports that in the latest build of Lion, Preview has received a UI overhaul and added some pretty cool new features. For example, Preview will act as a Microsoft Word, Excel, and PowerPoint viewer. This is one of the smartest things Apple could have done. How many times have you sent a PowerPoint file to someone only to get an email back saying they didn't know how to open it (happens all the time with my friend's grandparents)?
Now when anyone running Mac OS X 10.7 Lion receives an Excel or PowerPoint file, the file will automatically open in
