For the last year or so I've noticed an increasing amount of my legitimate professional interactions going into my "Promotions" tab in Gmail. The effect of which has been, after discovering a few mishaps of this sort, to now regularly and meticulously go through a massive pile of "Promotions" just to make sure I haven't missed something legitimately urgent or important. Prior to Google's classification errors produci…
I'm really surprised most people aren't realizing this.