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seen Jul 21 '11 at 9:58

Apr
19
awarded  Yearling
Mar
31
awarded  Nice Answer
Jul
19
comment What is the reason for Concave round buttons in Elevators
Weirdly I noticed that the buttons on Pelican Crossings in the UK often have concave buttons. IMHO this lends credence to the 'easier to press' argument.
Jul
14
answered What is the reason for Concave round buttons in Elevators
May
13
answered When should hyperlinks be underlined?
May
10
answered What modern human-technology interactions have been ingrained into your mind, so that you expect them?
Apr
6
awarded  Teacher
Apr
6
answered Interesting user interfaces from sci-fi movies & tv?