How about just measure it by bandwidth usage or cpu cycles instead. Like "cloud-based" support software. Your name works perfectly with the "cloud" concept to

How about just measure it by bandwidth usage or cpu cycles instead. Like "cloud-based" support software. Your name works perfectly with the "cloud" concept too. Make the bandwidth limits high enough that smaller organizations will never have a problem, but then low enough that you don't have to worry about it being abused by a large corp. Then make it $14 per month :)