I like how user friendly this tool was when setting up my account with them! It's easy enough so anyone can use it without having any technical knowledge or experience at all in using web tools/programming languages such as Python etcetera - which are required by most other NLP programs out there today (not just from what i've seen).
The only downside about their program would be if you're looking into doing some research within your own business then maybe not being able to do multiple searches simultaneously will make things more difficult than they need too but overall great product & service provided!! Great way of getting started quickly before investing time / money elsewhere otherwise might end up wasting both resources instead :).