It is well known that paper is a very fluid, natural, and easy to use medium for manipulating some kinds of information. It is familiar, portable, flexible, inexpensive, and offers good readability properties.
Paper also has well known limitations when compared with electronic media.
Work in hybrid paper electronic interfaces seeks to bring electronic capabilities to real paper in order to obtain the best properties of each. This can be accomplished by scanning, recognizing and processing its contents, then printing a new copy. The StickerLink technique supports on-paper hyperlinking using removable paper stickers. The Digital Library is published by the Association for Computing Machinery.