Furthermore, the PTC model is usually combined with a variety of additional ways to earn, such as completing surveys and simple tasks, playing games, shopping, etc.
Users can then redeem their earnings for cash through payment processors as well as a variety of gift cards.
[citation needed] The viability of the PTC business model has been questioned, as fraudulent clicks have ramped up the expenses for advertisers.
[1] With lawsuits filed against the internet search companies, the burden has been placed on advertisers to determine valid clicks from fraudulent ones and request reimbursement.
The most notable case of this being Traffic Monsoon, charged with this tactic, via a complaint filed by the U.S. Securities and Exchange Commission (SEC).