Based on his personal observations and on analysis of the typical lengths of postcard and Telex messages, Hillebrand argued that 160 characters was sufficient to express most messages succinctly.
Na osnovu njegovih ličnih zapažanja i na analizi tipičnih dužina telegrafa i razglednica, Hilbrant tvrdio da je 160 karaktera bilo dovoljno da se sažeto kaže svrha.