[quote name='howdenspur' timestamp='1420794550' post='2653403']
I heard somewhere touch screens rely on the moisture in your skin to work, I hadn't thought about callouses, but I guess they could be problematic. Mrs H struggles with her phone as she has dry skin (not callouses), but manages with a stylus (about £8 from Carhousewarephone).
[/quote]
They are about 3 for a quid on eBay
I believe it's to do with capacitance through skin, which is why it doesn't work with gloves