How to remove every stain in the world:
It's really easy and fun to use; I'm currently using it to learn Spanish. They have an iPhone app as well (that's what I'm using) and they have even more languages to learn (for free!) than are listed above. I highly recommend it.
1000 Life Hacks..
I love rainymood!but makes me want nap time instead of study time.
50 Life Hacks Worth Knowing About - Home Stories A to Z
1000 Life Hacks. This SEEMS really cool because it literally types it for you, but the entire essay is purely word for word wikipedia, so beware!
1000 Life Hacks