Why Are There Ads and Sponsorships in Some Videos?

Videos that were created before January 1, 2018 were migrated from the content that has been published to YouTube. Many of those videos have embedded ads per agreements from when they were created.  Videos created after January 1, 2018 will not ads or sponsorships.

Is All Information in Videos Up to Date?

The videos on the site have been created since 2009.  Basic technology does not change nearly as fast as people imagine so most of even the older videos are still relevant today.  As with anything you consume online you should take everything with a grain of salt and do additional research.  The date stamps for the videos denote when the videos were originally published so please take this into consideration while watching.