Looks like @CloudFlare is serving their own SSL certificate for all domains that use them. Whoops! Lots of sites broken.
@DaveJ Sorry about that. Fixed hours ago and posted an update @cloudflaresys
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
@DaveJ Sorry about that. Fixed hours ago and posted an update @cloudflaresys