What does the license mean, if I don't change any of the code you provide, but use it to provide a public-facing service? Like if I use it for a forum, for inst

What does the license mean, if I don't change any of the code you provide, but use it to provide a public-facing service? Like if I use it for a forum, for instance, but am using a separate bit of code to push data into and retrieve out of ScratchDB?