Picture this: You’re huddled in a bustling coffee shop, your laptop humming along as an AI sidekick whips up a summary of a sprawling 100-page report—in seconds—without draining your battery to zero. Even better, this brainy companion runs entirely on your phone, sidestepping data privacy nightmares and laggy network hiccups. As a developer who’s spent years wrestling with edge computing headaches, I’ve always seen mobile AI as straight out of a sci-fi thriller: potent yet approachable. Last week, Meta Reality Labs dropped MobileLLM-Pro, a 1B-parameter “little giant” that stopped me in my tracks. It’s no lab experiment—it’s a purpose-built beast …