Sting

(Spark.io on YouTube)

Hobbit Hack Makes Toy Swords Glow Blue When Unsecured WiFi Orc Is Near

No, you did not fall over and whack your head during a bajillionth reread of The Hobbit: Someone has created a hack to change a Sting replica into a glowing beacon of technology, turning a glowing blue to signal the presence of unsecured WiFi. Which is just like an orc, without all the slavering and nastiness those creatures bring to the table. [More]