Check the 'iPhone and iPad' section under this Help Center article for more info on how you can turn auto-play off: https://goo.gl/jFSxDv
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
Check the 'iPhone and iPad' section under this Help Center article for more info on how you can turn auto-play off: https://goo.gl/jFSxDv