Twitter's Tweet With Your Location feature allows you to selectively add location information to your Tweets. This feature is off by default and you will need to opt-in to use it.
If you're wondering How to Tweet With Your Location, please check out the How-To help page. This article provides:
Once you've opted-in:
For example, here's a Tweet from @SchauerTime that was posted from the Castro neighborhood in San Francisco:
Even once you turn Tweet with Your Location on, you have additional control over which Tweets (and what type of location information) is shared. The FAQ below has more information about how locations are displayed with your Tweets.
We want you to have control over how and when your location information is shared. With this in mind:
What location information is displayed?
Why do I see a pin-pointed exact location for some Tweets but only the general vicinity (neighborhood or city) for others?
For example, this Tweet only shows a place (San Francisco, CA):
If you select your exact location to be displayed through a third-party app, the actual coordinate can be publicly shared.
In the Tweet below, you'll see a pin icon in the top right hand corner of the Tweet, indicating that it's geotagged. Location information is displayed underneath the text of the Tweet, along with an exact point marker in the map below the Tweet:
We're working on rolling Tweet Location features out to other countries as fast as we can!