If you have five minutes, here are a few sites you can visit to use your time constructively.
Take quiz on this site to improve your vocabulary and to donate food at the same time.
2.http://www.thehungersite.com
Very similar concept to the freerice.com site. Sponsored donations.
Small tasks by large number of people can make a big difference. And you can earn some money too.
May be you can help somebody find answer to their question.
5.http://www.gamesforthebrain.com/
Keep your brain sharp by playing games here.
