To sign up as an advertiser, click on the Advertise button on the Native Ads homepage.
Then the advertiser will be prompted to a sign up page in which they can either sign up with a social network account (Facebook, Google, LinkedIn, Yahoo, Live) or with an email.
Then click Submit.
The advertiser will then be brought to another page where they will fill in some more information. They must fill in the ones marked with a red asterisk.