tinyurl uses a-z and 0-9, right? So every new digit increases the possible total thirty-six-fold. A ten-digit ending gives you 3,656,158,440,062,976 possible UR

tinyurl uses a-z and 0-9, right? So every new digit increases the possible total thirty-six-fold. A ten-digit ending gives you 3,656,158,440,062,976 possible URLs. So I think we're safe.