@apps Please no. If someone feels that it is imperative to be reminded of this feature, it's not too much to ask they have to turn it on in the first place. Else it's just patronizing.
Case in point, lots of my posts are private and only targeted to a small audience of people that I know in person. I NEVER add descriptions because I know they don't need them. I don't an app ASSUMING I just made someone else's life miserable by forgetting them.