Just about four years ago, Google launched Apps for Education – a version of Google’s online productivity tools (including Gmail and Google Docs) that is geared towards K12 schools and colleges. Now, Google just announced, there are over 10 million students, staff, faculty and alumni that are actively using Apps for Education.
http://www.readwriteweb.com/archives/over_10_million_students_now_use_google_apps_for_e.php