Self-service tills - do they fill you with dread or do you find them easy, quick and convenient? Do the oft repeated instruction "please place the item in the bag" - when you have already done so - bring on an anxiety attack? Well, a new survey has revealed that self-service tills are the most unpopular aspect of modern supermarkets with consumers. Almost three-quarters (73%) of those polled by consumer website myvouchercodes.co.uk said self-service tills annoyed them most about the contemporary supermarket shopping experience. "Whilst the self-scanning machines have been introduced to most supermarkets as a method of easing the stress of a weekly shop, it appears that for a large majority of the British public, they are doing quite the opposite," said the website's managing director, Mark Pearson. "Although they may ease queue congestion, the anger they invoke when they fail to work properly is turning a lot of people off using them altogether." Interestingly the shopworkers' union Usdaw claimed the tills posed a risk to staff who find themselves on the receiving end of frustrated customers' anger at announcements of "unexpected items in the baggage area", rejection of banknotes and the need for a shop worker to verify the age of anyone buying alcohol. The survey also revealed that the second disliked aspect of supermarket shopping is "other customers", cited by 65% of those surveyed. It seems that customers would ideally like a completely isolated shopping experience ? perhaps the reason why a lot are turning to buying their groceries online.