I've told friends and family numerous times to throw away that "LCD/Screen cleaning" crap that they were upsold at BestBuy and to just use (preferably distilled

I've told friends and family numerous times to throw away that "LCD/Screen cleaning" crap that they were upsold at BestBuy and to just use (preferably distilled) water and a microfiber cloth. That combo will get rid of 99% of smudges and will get rid of them safely! All those commercial screen cleaners contain crap like ammonia and other chemicals that can take off screen coatings.