It's becoming much more popular. The community is getting much more involved.
The critical thing that we have to ensure is that the quality of the data is there. Many organizations come to us and consult. We have a lot of dialogue—particularly on the west coast, I would say, but on the east coast as well—in which we define some standards that have to be met. Naturally, there is going to be more inherent error in those data, but it can help us greatly in increasing the spatial resolution with which we can actually observe the changes.