What happened when John Ternus became Apple CEO on September 1, 2026, including his first-day launch of the previously dormant @johnternus account on X with a lowercase “hello,” its connection to Apple’s traditional device greetings, the three accounts he initially followed, Elon

John Ternus marked his first day as Apple CEO with an unusually public but deliberately minimal debut: he activated the previously unused @johnternus account on X and posted lowercase “hello.” The gesture appeared to echo the “Hello” greeting associated with the original Macintosh and Apple’s device-set-up tradition, while signaling a new CEO taking charge of a company long identified with tightly managed communications. 13

• Ternus initially followed Apple, Tim Cook, and Elon Musk on X, according to contemporaneous account observations. Musk welcomed him with “Congrats” and remarked on the new Apple CEO posting; Cook followed Ternus and had publicly sent a warm farewell message on his own last day as CEO. 4

• At the same time, Ternus joined Weibo with “你好 hello” (“hello” in Chinese and English), an apparent acknowledgment of Apple’s importance in China and a more international opening gesture. 11

• Apple shares rose roughly 2.6% on September 1, after moving as much as about 3% intraday. It would be too strong to attribute that move solely to Ternus: investors were also evaluating the approaching September 9 iPhone event, Apple’s product cycle and earnings outlook, and a broader market rotation away from some AI-infrastructure stocks amid rising Treasury yields. 67

• His decision fits a wider 2026 return of top technology executives to X, including newly active accounts from Nvidia’s Jensen Huang and Meta’s Mark Zuckerberg. But one post does not establish a durable strategy: Ternus had not yet shown whether he will become a frequent, personal communicator or use the account only for major Apple moments. Insufficient evidence supports a conclusion either way. 1113

• The September 9 iPhone event is therefore an early practical test. It could show whether Ternus uses X to frame launches, respond to customers, or amplify Apple messaging—or instead retains Apple’s traditional event-and-Newsroom-led approach. The event also arrives as he confronts pressure to strengthen Apple’s AI position and manage higher memory-component costs. 25

• The succession itself is historically consequential. Ternus, formerly Apple’s hardware-engineering chief, became only Apple’s third CEO after Steve Jobs and Tim Cook; Cook’s 15 years as CEO followed Jobs’s 14-year first tenure, making the combined Jobs–Cook leadership era 29 years. Cook moved to executive chairman, creating continuity while Ternus assumes operational leadership. 13