The ease to use, how quickly it is deployed across our organization (we have over 100 users).
It has been an amazing tool for us as we are able to get more value out from existing spend in less time than ever before! We were using other tools but they didn't provide any additional insights that weren’t already available through standard reporting packages like P&L etc., so this was great addition - very easy integration with Salesforce too which made things even easier!! Nothing at all really comes up against anything I dislike about one tag fate; however there isn’t much you can do when something does come along either good or bad because its such powerful platform once set everything just works seamlessly together without having many issues/issues arise throughout implementation period.