The ability to create custom content, easily editable in real time with their team of experts! I can't think about anything that we dislike or have not been able solve yet by our support staff at this point - they are amazing!! We've had nothing but success since implementing them into my business (and theirs!).
They're always there when you need help/advice; it's hard sometimes as your own brain knows what needs doing better than anyone else could possibly know how bad things really should be ;) But honestly if someone doesn’t understand something within minutes then its probably because YOU don' t fully grasp all aspects so give us an opportunity :).