@YouTube @TeamYouTube this 'youtuber' has 31 subscribers and claiming ads I thought you needed 1000 ??pic.twitter.com/a1ErwTJD2j
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
If a creator is using a copyrighted content on the video, the copyright owner has an option to run ads on it. Here's more info on how Content ID works: https://goo.gl/mmqN8f . Hope this helps clarify.