[mkross]

The small things really do matter when dealing with fickle users. I wonder, though, how much of the 17% might be due to the placement of the checkbox. Putting it below the credit card info would make me think "wait, I'm paying these guys and they are telling me it isn't easy to use?". Perhaps moving it up by the email address field would yield different results.

[Gupie]

Just what I was going to say. The form is split into 2 sections, one for account information, the other for billing. The "Tips" checkbox is in the billing section! This is a terribly bad place to put a checkbox labelled "Tips". Are these additional charges, as per a restaurant tip!? Do I get charged for these emails? Do I get sent 5 per day?

[gsaines]

Yeah, that's also a good idea. I with the comment above about the wording, I'm wondering know if I couldn't iterate that checkbox to for the better. Thanks for the idea.