title: Tap/NFC-like Eddystone Experience
body: <p>(how) Is it possible to have the Eddysone-URL provide functionality, similar to NFC, that would have the user only within a close proximity be able to get the URL?</p>
  
  <p>I've been testing using the <code>eddystone-beacon</code> library on the Intel Bluetooth 4 enabled Wifi card to send the signal successfully. But I find that I can receive the signal from far (20+m) away, when I'd like to limit it to within one meter.
  The library has options to attenuate the power <code>txPowerLevel: -22, // override TX Power Level</code>, but I find that changing this only messes with the distance calculation, and not the ability to receive the signal.</p>
  
  <p>Is this perhaps an issue with the hardware (maybe a dedicated USB would allow control?)</p>