656.txt

[1] [CITE@en[DeviceOrientation Event Specification]]
( ([TIME[2011-06-28 16:41:24 +09:00]] 版))
<http://www.w3.org/TR/2011/WD-orientation-event-20110628/>

[2] [CITE@en[DeviceOrientation Event Specification]]
( ([TIME[2011-12-01 22:34:51 +09:00]] 版))
<http://www.w3.org/TR/2011/WD-orientation-event-20111201/>

[3] [CITE@en[DeviceOrientation Event Specification]]
( ([TIME[2012-06-14 06:21:37 +09:00]] 版))
<http://dev.w3.org/geo/api/spec-source-orientation.html>

[FIG(quote)[
[FIGCAPTION[
[4] [CITE[Intent to deprecate: Insecure usage of powerful features - Google グループ]]
([TIME[2015-02-28 11:14:59 +09:00]] 版)
<https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/2LXKVWYkOus>
]FIGCAPTION]

> We want to start applying the concepts in https://w3c.github.io/webappsec/specs/powerfulfeatures/ to features that have already shipped and which do not meet the (new, not present at the time) requirements. 

]FIG]


[5] [CITE@en[DeviceOrientation Event Specification]]
([TIME[2014-08-28 19:28:23 +09:00]] 版)
<http://w3c.github.io/deviceorientation/spec-source-orientation.html>

[6] [CITE@en[DeviceOrientation: next steps?]]
([[Mandyam, Giridhar]] 著, [TIME[2015-07-07 09:08:51 +09:00]] 版)
<https://lists.w3.org/Archives/Public/public-geolocation/2015Jul/0003.html>

[7] [CITE@en-us[Detecting device orientation - MDC]]
([TIME[2010-01-21 13:30:20 +09:00]] 版)
<https://developer.mozilla.org/en/Detecting_device_orientation>