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Waymo has resumed its robo-taxi service in San Francisco after a power outage stranded vehicles around the city, CNBC reported. The blackout, caused by a Pacific Gas & Electric (PG&E) substation fire, caused traffic light disruptions that affected Waymo's automated driving systems. "Yesterdays power outage was a widespread event that caused gridlock across San Francisco, with non-functioning traffic signals and transit disruptions," a Waymo spokesperson told CNBC in a statement. "While the failure of the utility infrastructure was significant, we are committed to ensuring our technology adjusts to traffic flow during such events." Following the outage, which began at around 1:09 PM Saturday and peaked around two hours later, Waymo responded by suspending its ride-hailing services in the city. However, images and videos on social media showed the autonomous taxis stopped at intersections with hazard lights on. The company blamed its disruption on the size of the outage. "While the Waymo Driver [automated system] is designed to treat non-functional signals as four-way stops, the sheer scale of the outage led to instances where vehicles remained stationary longer than usual to confirm the state of the affected intersections. This contributed to traffic friction during the height of the congestion," the spokesperson explained, adding that Waymo's actions were "closely coordinated with San Francisco city officials." Still, the service disruption is a black mark for Waymo, as the sudden halt in service exacerbated traffic problems caused by the blackout. Elon Musk bragged on X that Tesla, Waymo's latest robo-taxi rival in the city, was "unaffected" by the power outage. However, Tesla's ride-hailing service is not yet fully autonomous and requires a human driver behind the wheel at all times. This article originally appeared on Engadget at https://www.engadget.com/transportation/waymo-vehicles-are-operating-again-in-san-francisco-following-a-power-outage-112924838.html?src=rss
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OpenAI gave its AI chatbot a professional makeover with the latest GPT-5.2 release, and some users are already complaining about its tone. For anyone who's finding ChatGPT rude or sassy, OpenAI has some welcome news since it's letting users further customize its personality with extra warmth or enthusiasm. You can now adjust specific characteristics in ChatGPT, like warmth, enthusiasm, and emoji use.Now available in your "Personalization" settings. pic.twitter.com/7WSkOQVTKU OpenAI (@OpenAI) December 19, 2025 In a post on X, OpenAI revealed that users can adjust characteristics under new Warm, Enthusiastic, Header & Lists and Emoji options found in the Personalization settings. Between the four options, you can choose between more, less or default to fine-tune exactly how you want ChatGPT to sound in its responses. These new characteristics come about a month after OpenAI added Professional, Candid and Quirky options to GPT-5.1 under the "Base style and tone" setting that's also found in the Personalization tab. The latest customizations likely stem from the fiasco that OpenAI faced earlier this year when it rolled out GPT-5 to replace GPT-4o. The outcry from users revolved around the latest update sounding less conversational and friendly, leading OpenAI to offer the option to choose between models and promising to make GPT-5 feel warmer.This article originally appeared on Engadget at https://www.engadget.com/ai/you-can-now-tweak-how-warm-and-enthusiastic-chatgpts-responses-are-204003009.html?src=rss
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There may not be any reports of stick drift with the ROG Xbox Ally yet, but that doesn't mean there won't be. If you'd rather not end up with joysticks that have a mind of their own, GuliKit revealed its latest TMR Electromagnet Joystick Modules made specifically for your Xbox handheld. GuliKit said it worked directly with Asus to develop these joystick upgrades, which match the exact dimensions of the ROG Xbox Ally and Ally X's stock sticks. The aftermarket accessories company previously designed a Hall effect joystick upgrade kit for the ROG Ally X, but GuliKit said this mod features electromagnetic joysticks that not only address stick drift but are also more precise, durable, and power-efficient. GuliKit even made the joystick upgrades easy to install since there's no soldering required, and you can fine-tune the calibration in the handheld's system settings. It may feel excessive to spend more money on a gaming handheld that can cost up to $1,000, but neither the ROG Xbox Ally nor Ally X comes with Hall effect or electromagnetic joysticks. GuliKit's joystick upgrade is already available to US customers on its Amazon storefront for $19.99. This article originally appeared on Engadget at https://www.engadget.com/gaming/xbox/gulikits-20-mod-makes-the-rog-xbox-allys-joysticks-drift-free-190521030.html?src=rss
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