1) A version of Wikipedia / Appropedia (Mediawikis in general) which can be installed as an app (won't need further net access) on Firefox OS phones.
(2 gig on an SD card at point of manufacture vs. download costs.)
2) Sawyer filters: 170 litres a day, for a million litres of virus-purified water, for $120. But those straw filters... those are industrial-generic, aren't they? Cheaper ways? (see Safe Water Trust for an example)
(2 gig on an SD card at point of manufacture vs. download costs.)
2) Sawyer filters: 170 litres a day, for a million litres of virus-purified water, for $120. But those straw filters... those are industrial-generic, aren't they? Cheaper ways? (see Safe Water Trust for an example)
3) Craigslist for refugee camps / crisis areas.
4) My own project, http://hexayurt.com can _always_ use bright sparks!
Enjoy!