If you update a Subscription product price from $100 to $120, all those Subscriptions created at $100 are not updated to $120. You have to manually go to EACH subscription and update the price which is very time consuming when you have hundreds or thousands of subscriptions. There should be a bulk way to update all subscriptions pricing without having to go one-by-one through each active subscription.
Over the past decade and a half, electronic networks such as the Internet have greatly impacted the way commerce and other transactions are conducted. E-commerce facilitates transactions between two parties because it supersedes the boundaries of physical space (with the exception of delivery of goods or services), allowing the exchange to occur remotely as well as more quickly and efficiently.