We found this juicy little tidbit from Nick Momrik’s blog Nicked Up:
I’ve started to use Blinksale to handle invoicing for advertisements that I use across the blog network. It’s a pretty slick little system and for $12/month it’ll easily pay for itself. Instead of losing track of when each advertiser needs to renew their ad I’ll simply set up recurring invoices with Blinksale and not have to worry about it.
Nick is right on. This is exactly the sort of situation we envisioned when we updated Blinksale. And once the API is out there, the uses for Blinksale will only continue to multiply.