It sounds like a handy thing to possess, I get into "disagreements" with Grammarly quite often about comma usage, but I am a dinosaur with a 25 year old English degree. Writing online and the more casual style of blogging has made me sloppy/forgetful of certain things, also I have the weird U.S./U.K. expat mutt usage of the English language that has become natural to me but reads a bit chaotic at times. (See I just said "a bit" - totally unnecessary! ;-)). I might pick this up for fun/my sanity, thanks!