By 2018, Apple was reported to have 5,000 out of its 135,000 full-time employees working on Titan, with 1,000 engineers hired for this project. The big news in August of 2018 was that Doug Field, who had left Apple in 2013 to become senior vi…Tesla and Apple, Sitting in a Tree, K-I-S-S-I-N-G…2146ScienceDuuudeAnthony Lawrence·Jan 1That's a bigger commitment than it looks because about half of the total employees work in retail stores.