One thing that's always annoyed me about online store checkouts is
the unnecessary "credit card type" popup menu. There's no reason the
user should have to tell the site whether they have a Visa,
MasterCard, American Express or Discover. This information can be
determined from the card number itself.
* AmEx cards start with 3
* Visa cards start with 4
* MaterCard card start with 5
* Discover cards start with 6
Yet, every site I've seen wastes a few seconds of the user's time
with this choice.
Google checkout (finally!) dispenses with this. If you haven't seen
as you type in the number, automatically highlighting the correct
They likely also validate the card number (by checksum, too).
While I'm on the subject: next time you're designing a credit card
order form, be sure to leave enough room for dashes or spaces (20-
character field) and allow the user to input the number however they
shad 96c / uw cs 2001
/ mac activist / fumbler / eda / headliner / navy-souper
fan of / sophie b. / steve poltz / habs / bills / 49ers /
every time i'm close to you /
there's too much i can't say /
-- Sarah McLachlan, "I Love You"