If you happen to like our videos and have a few bucks to spare to support our efforts, check out our Patreon page where we've got a variety of perks for our Patrons, including Simon's voice on your GPS and the ever requested Simon Whistler whistling package: ****** →Subscribe for new videos every day! ****** Never run out of things to say at the water cooler with TodayIFoundOut! Brand new videos 7 days a week! In this video: In the video today, we look at why book book copyright pages often have a string of numbers like 1 2 3 4 5 6 7 8 9 10. Want the text version?: ****** Sources: ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** Music from Jukedeck - create your own at ******