Sarah Chen, Author at ProInsights Portal

AI-Powered Video Surveillance: Privacy Laws Forcing Retailers to Rethink Loss Prevention Systems

A California retailer ripped out 47 facial recognition cameras after one complaint revealed violations of three privacy laws. As AI surveillance helps retailers combat $112 billion in annual losses, privacy regulations are forcing a choice between cutting-edge loss prevention and six-figure fines - here's how to navigate both.

Sarah Chen March 4, 2026

AI Model Quantization: Shrinking GPT-4 Class Models to Run on Your Laptop Without Losing Performance

A Portland engineer ran a 70-billion-parameter AI model on his laptop using 4-bit quantization, reducing memory requirements from 140GB to 35GB. This technique converts high-precision model weights to lower-precision formats, retaining 95-98% accuracy while cutting memory usage by 75% - making GPT-4 class models feasible on consumer hardware without subscription fees.

Sarah Chen March 4, 2026