Here&#x27;s a summary and commentary of the paper from Adrian Colyer&#x27;s &#x27;important&#x2F;interesting CS papers&#x27; review blog: <a href="http:&#x2F;&#x2F;blog.acolyer.org&#x2F;2015&#x2F;10&#x2F;23&#x2F;vuvuzela-scalable-private-messaging-resistant-to-traffic-analysis&#x2F;" rel="nofollow">http:&#x2F;&#x2F;blog.acolyer.org&#x2F;2015&#x2F;10&#x2F;23&#x2F;vuvuzela-scalable-private...</a><p>&quot;The cost of running a Vuvuzela server on AWS at current prices is about $10K&#x2F;month, dominated by bandwidth usage.&quot;