&gt; Tipping is an awful and awkward practice that shouldn&#x27;t ever be encouraged.<p>There&#x27;s an interesting Freakonomics Episode titled “The No-Tipping Point.” which talks about the same.<p><a href="http:&#x2F;&#x2F;freakonomics.com&#x2F;podcast&#x2F;danny-meyer&#x2F;" rel="nofollow">http:&#x2F;&#x2F;freakonomics.com&#x2F;podcast&#x2F;danny-meyer&#x2F;</a>