Like the ones in McDonald's and other fast food places. You know what, I think the company that makes them is right.
Oh no, whenever they've asked me if I want extra fries or to supersize it, I've always replied with an eager "yes please!"
www.bbc.co.uk
One of the reasons those large touchscreens, also called kiosks, have become so popular with restaurant chains is that they can significantly increase sales.
And that is down to behavioural science, the study of how humans behave, and what drives people to make the choices that they do.
Dean Ward is the founder and chief product officer at Evoke Creative. Among the companies his business has built terminals for are Travelodge, McDonalds and JD Sports.
He says there's a number of reasons why the machines drive sales. "Firstly, you are removing the psychology of speaking to someone and feeling judged, we think that is a key factor," says Ward.
"Would you like extra fries? Would you like to go large? Not all people, but I think there's definitely a large proportion of people who may feel judged in those instances, and may say no.
Oh no, whenever they've asked me if I want extra fries or to supersize it, I've always replied with an eager "yes please!"
'You don't feel judged': Why we buy more at self-service screens
How restaurants and retailers use behavioural science to get us to increase our spending.