Rings of crater illusion patterns appear to rotate.pic.twitter.com/KsbvdoZxrF
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
both me and my wife find this variant less effective.
the effect isn't too pronounced for me but definitely effective for my wife.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.