The most recent video added to the playlist will be stacked to the bottom of it. You can still rearrange the playlist in your desired manner by following the steps in this link: https://goo.gl/a9DXyH . Hope this helps clarify.
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
The most recent video added to the playlist will be stacked to the bottom of it. You can still rearrange the playlist in your desired manner by following the steps in this link: https://goo.gl/a9DXyH . Hope this helps clarify.