'Whatever' is a YouTube channel that is made up of college students in California.  They specialize playful pranks involving modern technology and smartphones.  They've amassed over two MILLION subscribers.  Their latest prank hit my funny bone.  They have a volume-enhanced sound effect of the iPhone's default text message sound effect.  When the extra-loud text-tone plays, everybody around them instinctively checks their phone!  I know for me personally, this prank could never work on me.  Anytime I get a new phone I immediately change the ringtone and text-tone.  For example, when I get a text, it's is the "power-up" sound effect from the Super Mario Bros. games.  But anyway, here's a video of a bunch of people falling victim to the prank!