was able to accurately predict my intentions, often when I was in midsentence, or even earlier. It was therefore disconcerting how frequently the A.I. Perhaps because writing is my vocation, I am inclined to consider my sentences, even in a humble e-mail, in some way a personal expression of my original thought. seemed to know what I was going to write. One can opt out of Smart Compose easily enough, but I had chosen not to, even though it frequently distracted me. Smart Compose saves users altogether two billion keystrokes a week. A quarter of the average office worker’s day is now taken up with e-mail, according to a study by McKinsey. Code contains long strings of identical sequences, so engineers rely on shortcuts, which they call “code completers.” Google thought that a similar technology could reduce the time spent writing e-mails for business users of its G Suite software, although it made the product available to the general public, too.

Paul Lambert, who oversees Smart Compose for Google, told me that the idea for the product came in part from the writing of code-the language that software engineers use to program computers. Hit Tab, and you’ve saved yourself as many as twenty keystrokes-and, in my case, composed a sentence with an A.I. Based on the words you’ve written, and on the words that millions of Gmail users followed those words with, “predictive text” guesses where your thoughts are likely to go and, to save you time, wraps up the sentence for you, appending the A.I.’s suggestion, in gray letters, to the words you’ve just produced. Smart Compose suggests endings to your sentences as you type them. The skin prickled on the back of my neck, an involuntary reaction to what roboticists call the “uncanny valley”-the space between flesh and blood and a too-human machine.įor several days, I had been trying to ignore the suggestions made by Smart Compose, a feature that Google introduced, in May, 2018, to the one and a half billion people who use Gmail-roughly a fifth of the human population. What have I done? Had my computer become my co-writer? That’s one small step forward for artificial intelligence, but was it also one step backward for my own? I glanced down at my left thumb, still resting on the Tab key.

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