Raspberry Pi Zero: the $5 computer
When I see $5 all I can think about is a massive cluster of these working together with something like Apache Mesos (<a href="http://mesos.apache.org/" rel="nofollow">http://mesos.apache.org/</a>). The Raspberry Pi Zero, due to low cost, low power requirements (Around the 160mA mark (0.5/0.7W!) and small form factor, could be the future of data centres.<p>You could literally build a <i>100Ghz</i> machine for $500.