We've been told that the beta will start to roll out very slowly -- early adopters and journalists have been granted early access, but if you're signed up on the waiting list, you can expect to see a notification box at top of your News Feed over the next few weeks.

ENGADGET: Facebook Graph Search hands-on (video) Hands-on

Each box contains the minimum to feed a family of five for a month.

BBC: Violence leaves Syrians in desperate economic straits

Chair of the trust Eve Tigwell said each site had to be assessed as there was no point putting up a box where "there's nothing for them to feed on".

BBC: Barn owl at a farm