What a difference a day makes, as the old saying goes -- or, perhaps more aptly here in the Linux community, what a difference an app makes. Which app, you may ask? Why that would be Microsoft Office for Android, of course -- the arrival of which a few weeks ago has caused no shortage of jubilation in the Linux blogosphere. "The father of Linux, Linus Torvalds, once said, 'if Microsoft ever does applications for Linux it means I've won,'" noted a recent article. "So, it looks like Linus has won."