Why Text Messages Are <160 Characters, K-12

This Los Angeles Times article explains how the standard for text messaging was determined in 1985. Friedhelm Hillebrand was typing random sentences and questions on his typewriter, and as he went along he counted the number of letters, number, punctuation marks and spaces on the page. Each blurb ran on for a line or two and was nearly always under 160 characters. Click here to read the article.