AWS introduced something the other day that caught our attention in a way few pricing announcements do: flat-rate plans for CloudFront and related edge services. This change represents a fundamental shift in how AWS thinks about developer experience and business predictability.  The announcement includes four tiers:  Free ($0/month) Pro ($15/month)  Business ($200/month)  Premium ($1,000/month)  Each bundling CloudFront, AWS WAF with DDoS protection, Route 53 DNS, CloudWatch Logs…