My doctor's surgery offers free parking for patients in a nearby commercial car park. The reception desk has a touchscreen where patients can enter their car registration number so as to avoid getting a ticket. Unfortunately, this touchscreen ignores my fingers so I have to ask the staff to enter my registration which they do, albeit with some condescension given that I look like a doddery old person apologising for having the "wrong sort of fingers" Turns out that I really do have the wrong sort of fingers! I found this article which says: Touch screens have become increasingly used for many personal technologies. However, older adults have trouble using touch screen interfaces. The general assumption is that older adults struggle with touch screen devices because they are unfamiliar with the technology and that with practice, they will become proficient. This study provides evidential support of a probable physiological barrier contributing to some older adults’ touch...