Geeky·Posted on Apr 9, 2014This Is The Most Useful Tattoo In The WorldLogical and beautiful.by Krutika MallikarjunaBuzzFeed StaffLinkFacebookPinterestTwitterMail "This is my ruler and notepad tattoo. I believe that tattoos can be used for functionality as well as memory. I’m a designer, so I use the ruler for buttons, zippers, and trim widths. Usually the notepad has an address or to-do list on it." GENIUS Tap to play GIF Tap to play GIF