<Naypam> you could replace tips
<Naypam> with an imaginary number at the end of your payment
<Naypam> so like if the waitress was really good
<Naypam> oh hey
<Naypam> the bill is 40.23?
<Naypam> have 40.23.9
<Naypam> but they actually only get 40.23
<Naypam> and a feeling of satisfaction