Do you want to give your mother an e-book or some other digital object? Be careful, this may violate the patent for digital gifts that Amazon has just received.
US Patent No. 8,190,519 covers systems and methods for sending and receiving gifts, including digital gifts, which are sent via digital communication channels.

The system includes a database in which digital goods are stored for purchase as gifts; A computer device that connects to the data store.
In addition, Amazon patented the method of withdrawing money from the buyer after the recipient accepted the gift (deferred payment). According
to experts , this is the only real innovation in the patent, but otherwise it describes the already known mechanisms that are used on the Internet. They may have been innovative in 2008, when Amazon applied.
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One way or another, but this patent is useful in the event of a possible patent war, for example, with Facebook.