Gerald Kropitz discusses how AWS helps kikin capitalize on opportunities in personal browsing. Kikin aims to create a browser that serves users' interests through relevant content delivery powered by an innovative architecture. This presents challenges of scaling to handle large amounts of data while ensuring security, reliability, and low latency. Kikin leverages AWS services like EC2, S3, CloudFront, and Hadoop to cost-effectively process data at scale with flexible infrastructure and high reliability.