We definitely have seen an ROI. We, for example, cut the costs by using the tool. We also reduced the number of calls. This was one of the main value-adds for our operations department. We were able to cut service requests by 75%.

We have seen an ROI. I'd rate the solution five out of five in terms of return on investment. 

ROI has not yet been calculated.

Optimizing the user experience.

Very high.