Welcome back for another educational and whacky edition of “This Day in SEO History!” Did you know that March 30th marks the 154th anniversary of the patent for a pencil featuring a built-in eraser, invented by Mr. Hymen Lipman in 1858?

I know what you’re thinking; Slymenstra Hymen was that woman (?) who used to sing and fire-dance for the heavy metal band, Gwar. Well, my friend – that is incorrect… Although she may have had a built-in-eraser attached somewhere to that costume…

Before Lipman invented the pencil-with-eraser, people were having big trouble when they created content.… Read the rest