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iPhone 12 launch Tom Holland's Nathan Drake Apple Express iPhone 12 and 12 Pro review Remdesivir approval for COVID-19 treatment Stimulus negotiations status update AOC plays Among Us gets an API, labs sandbox has a new site geared towards developers. One of its first results is a YouTube uploader that lets you add overlays on top of your videos., a service that lets users add links, images, and even other videos on top of Web video has a new API for developers to build applications on top of its technology. The company has also put out a new labs page where developers can promote their applications and see what others have built.

One of the early stars of the bunch is a special YouTube uploader built using Adobe AIR. It lets you upload videos from your desktop without having to use YouTube's Web-based uploader. Once a file is up and hosted on YouTube you can then create and design overlays right inside of the application, which compared to YouTube's annotation system is a little more advanced.

Another fun labs creation is a karaoke player that's been built into children's Web site Kidz Bop. Overlay has taken the site's existing player and added on-screen lyrics, which users can view at the same time they're recording themselves singing. It's also put together links to related sites and services that have been vetted as kid-friendly.

I still prefer's approach to on-screen overlays. The service is a little more subtle about the things that are added to a video, letting you view a video without the overlays, and only pulling them up when you mouse over the selected item. However, its solution is not nearly as consumer-friendly as's, which with this platform will let any site or service tack on its functionality to existing video tools.

The YouTube uploader lets you send video files from your desktop straight to YouTube, then add on-screen links and annotations, all using Adobe AIR.