Comment on Square Debuts its Latest Hardware, a $299 Card Swiper for iPad RegistersparentComments−bhups13yDoesn't that apply to ordinary pens too, though?−tehwebguy13yMy assumption is that it's not as big of a deterrent because greasy smudge marks are so much easier to spot on a screen vs a pen.
Comments
Doesn't that apply to ordinary pens too, though?
My assumption is that it's not as big of a deterrent because greasy smudge marks are so much easier to spot on a screen vs a pen.