It was a pretty low level product near the bottom of our infrastructure tier and we built everything on top of it. It worked well for our specific use case, but

It was a pretty low level product near the bottom of our infrastructure tier and we built everything on top of it. It worked well for our specific use case, but apparently not a general enough need to succeed on its own. It's not like we took their product, added a new skin and sold it as our own.