Thanks. I'll clarify this on the site. I arrived at the numbers using data I collected about the behavior of my beta users over the past 90 days. One of my users is a blog with eight writers on staff and they do nine requests/day. If the pricing is wrong, it'll change.
That's the mistake - maybe people actually only do 9 requests per article. But the think they do a lot more. I personally think I do about 1000 spell check requests a month, but I don't know because it's not something I've ever thought about.
So you may have very concrete data on actual usage, but have you also looked at what users think about your pricing?
