Comcast's bandwidth policy has come under fire from several directions lately, and today it's announced plans to test two new systems for managing capacity. In a company blog post, VP Cathy Avgiris describes the new "flexible" approaches it will be testing out in certain markets that start off by raising the limit to 300GB (from 250GB where it's been since 2008) per month. developingComcast rethinks bandwidth caps, trials two new policies that involve higher 300GB monthly limits origina