101 million (78%) • Twitter: 76% of users monthly1 • Amazon: > 50% of shopping was mobile during 2013 holiday season. • Yelp: 60% of all searches (Sept. 2013)
true/false inputs • Use radios If a person has to select an option (and set smart defaults) • Use selects instead of radios when users are selecting from greater than 3 items
when a question is uncommon or unnerving • Don’t interrupt the flow by incentivizing exits (e.g. coupon codes) • Provide inline validation to cut down on mistakes and backtracking
(search, email, url, date, tel …) • Gives browsers more info about the data you’re expecting: • Custom UI controls • Better Mobile Keyboards • Automatic Validation • Old browsers treat them like `text` HTML5 Doctor (goo.gl/XJmUsZ)
! • History of the browser uA string WebAIM (goo.gl/fK13Fh) • Cutting the mustard BBC (goo.gl/Zd1BxX) • Grade components, not browsers Filament Group (goo.gl/GMHKvo)