[ianstormtaylor]

Not to mention you're probably turning away signups that think a completely free API is too good to be true. Check out the first question of the Van Westendorp test: http://en.wikipedia.org/wiki/Van_Westendorps_Price_Sensitivi...

[polymatter]

link should be (http://en.wikipedia.org/wiki/Van_Westendorps_Price_Sensitivi...)