This plugin gives you the full tracking history of your email, usually including: Exactly when your email was opened. * Exactly when your email was opened. * How long it was read for. * Approximately where your reader is located (nearest town or city). * How many times your email was re-opened and re-read, as well as when and where etc. * What kind of email software your reader is using. * What kind of computer and operating system your reader uses. * What languages your reader can accept or understand. * What kinds of email attachments your reader can view (eg: Microsoft documents, or Adobe files, etc). * Whether or not your email was forwarded to someone else. * If it was forwarded, where is was forwarded to, sometimes including who subsequently reads it.