This feels more like I'm reading the intro to a hypothetical blog post. What was the thing that Furl did that was bad? How does Curl do it better? Is there anyt

This feels more like I'm reading the intro to a hypothetical blog post. What was the thing that Furl did that was bad? How does Curl do it better? Is there anything SQS-specific about the issue, or was the initial setup about queuing systems just extraneous info?