Perplexity’s Comet browser arrives on iPhone with AI-powered summaries, voice search, and agentic features that turn browsing into a smarter experience.

Apple cut App Store fees in mainland China to 25%, with some reduced-rate commissions falling to 12% after talks with regulators.

Abstract: The exponential growth of healthcare data presents significant challenges in data accessibility, patient engagement, and operational efficiency. This paper introduces a novel chatbot ...