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    <body><span class="vcard"><a class="email" href="mailto:gman&#64;chromium.org" title="Gregg Tavares &lt;gman&#64;chromium.org&gt;"> <span class="fn">Gregg Tavares</span></a>
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              <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [Privileged Contexts] Enable opt-in to DeviceOrientation and DeviceMotion for HTTPS-based iframes"
   href="https://bugs.webkit.org/show_bug.cgi?id=152299">bug 152299</a>
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            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
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           <td style="text-align:right;">CC</td>
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               &nbsp;
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           <td>gman&#64;chromium.org
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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [Privileged Contexts] Enable opt-in to DeviceOrientation and DeviceMotion for HTTPS-based iframes"
   href="https://bugs.webkit.org/show_bug.cgi?id=152299#c8">Comment # 8</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [Privileged Contexts] Enable opt-in to DeviceOrientation and DeviceMotion for HTTPS-based iframes"
   href="https://bugs.webkit.org/show_bug.cgi?id=152299">bug 152299</a>
              from <span class="vcard"><a class="email" href="mailto:gman&#64;chromium.org" title="Gregg Tavares &lt;gman&#64;chromium.org&gt;"> <span class="fn">Gregg Tavares</span></a>
</span></b>
        <pre>Isn't enabling for ads precisely why this should NOT be enabled cross-domain?

Reading keystrokes from a nearby keyboard using the gyroscope
<a href="http://www.cc.gatech.edu/fac/traynor/papers/traynor-ccs11.pdf">http://www.cc.gatech.edu/fac/traynor/papers/traynor-ccs11.pdf</a>

Speech Recognition using the gyroscope
<a href="http://www.wired.co.uk/news/archive/2014-08/15/gyroscope-listening-hack">http://www.wired.co.uk/news/archive/2014-08/15/gyroscope-listening-hack</a>

Looks like it's an issue of sample rate? Faster = easier to spy.

Maybe if you're not the same domain you get a lower sample rate where as same domain you get higher (for VR like apps)?</pre>
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