5 secrets hidden in Google's tribute to the first drive-in theater
2. Google leetspeak
Every movie ticket has a serial number, and if Google had its way, every movie ticket would have the numbers “600613” on it. This little nod uses “leetspeak,” a computer geek code that replaces letters with numbers that look similar.
6 for G.
0 for O.
1 for L.
3 for E.
So, 600613 becomes Google. Subliminal advertising strikes again.