Offline Wikipedia - h4ck3rm1k3/open-everything-library GitHub Wiki
- reach - it helps to reach audiences who either can’t or don’t want to use the Internet;
- convenience - it’s simply nice to have for those times when you aren’t online, as rare as they increasingly are for people in developed countries.
Source: http://strategy.wikimedia.org/wiki/Offline/Offline_Wikimedia_projects