Adobe Digital Editions for Windows or ADE is the software most utilized for proof-reading by publishers. Content is available to be read both online and offline. It is completely free of charge product and available to download now. In addition to the features called out below, one can do so much more! Text is able to be bookmarked, noted and highlighted. Books can be borrowed from public libraries as opposed to buying eBooks online eliminating any payment. Books can be sorted, organized and placed on "bookshelves" by the publisher, author, and title. Books can be printed with integrity and publishers can restrict printing ability. Depending on which format you are using format and text can be changed. Up to six computers and devices can be activated. Books can be accessed with other ID's such as a Google ID or Barnes & Noble's Bookseller ID.