Sierra, an AI-driven customer service startup co-founded by Bret Taylor and Clay Bavor, has achieved a remarkable $100 million annual revenue run rate in just 21 months. The company’s client roster includes both tech firms like Discord and legacy companies such as ADT and Cigna, showcasing broad adoption of its AI agents for automating complex customer service tasks. Sierra’s rapid growth, coupled with its valuation of $10 billion, reflects the increasing reliance on AI automation across industries. Analysts may question whether such high valuations, at 100x revenue multiples, are sustainable in the long term . TechCrunch

Nvidia has announced that its NVLink Fusion technology will now support Arm-based Neoverse CPUs, enabling seamless integration with Nvidia GPUs. This move allows hyperscalers like Microsoft and Google to design custom Arm processors for AI workloads, bypassing reliance on Intel or AMD CPUs. The development could reshape the competitive dynamics of the AI hardware market by expanding Arm's footprint in GPU-accelerated systems . Tech Radar

Google has denied allegations that its Gmail content is being used to train AI models, following viral reports suggesting otherwise. A spokesperson clarified that Smart Features, such as spell-checking, do not involve training AI on user email content. This rebuttal highlights the ongoing concerns over data usage transparency in AI development . The Verge

An upcoming discussion hosted by MIT Technology Review will explore how AI is reshaping industries and markets. Editors will examine the broader ramifications of automation and AI on global economic structures during the event, scheduled for December 9 . MIT Technology Review

A team of researchers from Carnegie Mellon University and other institutions has developed a tool called RECAP to extract specific memorized content from AI models, including copyrighted material. This innovation could address regulatory concerns and inform ongoing legal disputes about training data transparency . The Register