Based on information in the Article, which of these happened first? Nokia introduced a portable phone with an antenna that looked like a walkie-talkie. Cell phone makers started incorporating QWERTY keyboards into their phones. Hillebrand counted every letter, space, and punctuation mark he typed on his typewriter. Mobile providers figured out how to let people message someone on another service.

Hillebrand counted every letter, space, and punctuation mark he typed on his typewriter.