Gmail Advertising, otherwise known as “Mind-reader Marketing” is an exciting part of Google’s content network and works by reading emails you send and receive by looking for keywords and then showing related ads within the users Gmail account.

Highly targeted and cost effective, this method of advertising can be used as part of a very powerful marketing strategy and is therefore growing in popularity.

To give a brief example of how Gmail Advertising works imagine someone was to write an email about their upcoming honeymoon plans and it contained the following words; "affordable", “beautiful” and “romantic” and phrases such as "crystal blue seas" and "golden beaches", Google may display an advertisement above their Gmail Inbox, as demonstrated below: