>Trading off hundreds (thousands?) of people at US salaries for only a 10% impact in uptime is a sane business decision. A system with 90% uptime is a whole lo

>Trading off hundreds (thousands?) of people at US salaries for only a 10% impact in uptime is a sane business decision. A system with 90% uptime is a whole lot less than 90% as valuable as one with nearly 100% uptime. Twitter was pretty reliable. Now it is not. Users have noticed.