adicionalmente

"Viral"

If desired, all or part of the articles may include the option to be kept by the reader in pdf format or in print format. Additionally, they can be sent to a friend or acquaintance by email (in this case, follow the link to the relevant page).

Additionally, you can have a tool call "viral" that allows users, by introducing the username / password which can be send a recommendation of your site to your contacts of the main e-mail services (Gmail, Hotmail, Yahoo, Toad, ...), instant messaging (Live, MSN, Gtalk, Yahoo ,...) or social networks (Hi5, MySpace, Facebook, Orkut ,...).