Seems like a lot to me considering that microsoft is now competing with free software like Google Docs and Open Office. On the mobile front MS is competing with just plain apps from several companies. Article

Now for my students – please remember you get a huge discount at your school on MS products like office (among other software). So before you graduate, go to the bookstore and buy your $20 copy of Office because once you leave the price goes up a few hundred dollars:)