> overlay of a recipe when I'm cooking something new
I dont understand how this one comes up thay often. It just sounds like the most useless thing ever. These literally make me suspect I am only one who cooks here while others kind of imagine what it might be like or something.
> price comparisons in grocery stores; the glasses read the prices and tell you how they compare to prices in other nearby stores
Like you are going to another store for milk and to yet another for butter? Are you already doing that with phone and need to take it out is what prevents it?