"Ridiculously simple and awesome"

"As a hint about what Backpack can do, and just how ridiculously simple and awesome it is, let me say this: I am about to leave the house, but I really want to continue playing with this all day, so I will." -Tangentialism

"I want to marry it"

"It's like Flickr and Ta-Da Lists got together and had a freakishly clever child. It is the solution to my short term memory problems and heaven for the organizer in me. I want to marry it." -Simply Geek

"Perfectly conceived... the most elegantly executed web app I've seen"

"Backpack is perfectly conceived and the most elegantly executed web app I've seen. Period. I'm excited again about keeping things organized at work and at home. I plan to be Backpack-ing a lot every day" -Richard Bird

"The most convincing Web answer yet to the simplicity a spiral bound notebook"

"Backpack is perhaps the most convincing Web answer yet to the power, flexibility and simplicity of a spiral bound notebook." -Khoi Vinh, Subtraction

Check out more reviews and reactions or browse a bunch of examples of how you can use Backpack to organize your information.