Technical money loss refers to issues with the server, website downtime and accidental clicks which result in the loss of money for the advertiser. (searchmarketingstandard.com)
Perhaps the most important difference is that with cost per click models, you are often paying for accidental clicks or people who were just curious and not looking for your business. (surveyanyplace.com)
While they have just enough tension to ensure accidental clicks don't happen the left and right primary buttons require minimal pressure to activate and a satisfying click to boot. (wolfsgamingblog.com)