Email tickets (100) that enable the email recipients to win prizes. The method comprises the preparation process, the dispatch process, the electronic scratching to reveal the secret symbols and the prize claiming process. A ticket according to the present invention comprises principally two layers:...http://www.google.es/patents/US20040127279?utm_source=gb-gplus-sharePatente US20040127279 - Methods, systems and email content enabling email recipients to win prizes
Methods, systems and email content enabling email recipients to win prizes
