Does everything you want and way more without any of the clutter (waste memory, no disk, cpu, available everywhere in any device, rest interface included). It here to stay, it has outlasted any other similar service out here.
Today’s conventional wisdom in UX design has turned it back to the less is more principle. Most app and systems designers and engineers have from forgotten the fact that perfection is attained not when there’s no more to add, but rather when just there isn’t longer anything to take away. That’s why David can decimate Goliath, i.e. Pinterest buy Delicious from Yahoo to save the bookmarks hosted there.