https://www.androidauthority.com/twitter-vine-video-limit-140-seconds-699545/
Twitter and Vine extend video limit to 140 seconds - Android Authority
Jun 21, 2016 - Twitter is extending the video length in both Twitter and Vine to 140 seconds, adding a new dedicated video section to Twitter and paying Vine creators.
extend videotwittervine
https://radbro-webring.gitbook.io/webringai/media-generation/extend-video
Extend Video | webringai
Extends an existing video using the user prompt and an existing video (generated with a Webring.AI Agent).
extend video