The best thing about this tool was its simplicity of use, I've been using it for my projects in sales force automation like lead management system etc which are nothing but boring tasks with not much benefit after doing them manually or through excel sheet as well! So far i have no complaints at all from any side that's why there cannot be anything negative too mention here!! It has helped me create more automated workflows than what ever we could do normally via Excel sheets plus some other advantages such data analysis also comes handy alongwith easy navigation so you don't need an expert help while working under pressure.