Our service works through an incentive based network, we have almost a million Github old active users who have subscribed to our network and have authorized us to recommend them Gtihub repositories and profiles.

So when we receive an order and based on the number you have ordered, we send your repository or profile link to a select number of Github users to get it promoted.

This is the overview of how it works but the process is rather more complex than described here and involves more work depending if your order is for stars, forks, watcher or followers.