Originally Posted by
jarusoba
Charging a subscription fee is justified because of the continuous updates necessary to keep pace with the changes of the various data source websites.
That's the point -- the 'continuous updates' are not just product improvements. They happen suddenly -- after the owners of the data that is being used realize what is happening. Someone is making money by facilitating the unauthorised use (some would call it theft) of their data. That's just plain WR

NG. It's also not standard business practice.
Were KVS a legitimate business data source changes wouldn't always happen without notice. Think about that before condoning what is going on here.