I would rate it a nine out of ten because there's room for improvement but otherwise, I'm very much satisfied with the product. 

I would suggest to someone considering this solution to, first of all, have their business process properly understood and charted out, and then understand what the product can do. They should evaluate whether Oracle is the right fit for what they're looking for. If they're looking for sales activity with very little interactivity, then they can go for other products like Oracle RightNow. They also need to understand what it is that they're looking for, and then choose the right product. Know what all features are there. They should understand what benefits they are going to get. Having said that, Oracle Engagement Cloud is a very good product for sales as well as for service.