I was just reading this article about a new app that supposedly motivates people to lose weight with sarcasm,ridicule and threat. I personally don't think I would care for it but I guess some people would.
"Carrot Fit, the latest app created by Grailr, LLC, is designed to encourage users to drop those unwanted pounds, thanks to some sarcastic, in-your-face language. According to the Daily Mail , developer Brian Mueller designed this app with over 2,000 sayings in order to '”threaten, intimidate and ridicule” people into losing weight.
“Meet Carrot, the judgmental weight tracker,” were among the first words I read on the iTunes page. “CARROT is a sadistic AI construct with one simple goal: to transform your flabby carcass into a Grade-A specimen of the human race. She will do whatever it takes – including threatening, inspiring, ridiculing, and bribing you – to make this happen. You will lose weight – or else.” READ MORE 
I don't know...what do you think?