Teens and social media use: What's the impact?
https://www.mayoclinic.org/healthy-lifestyle/tween-and-teen-health/in-depth/teens-and-social-media-use/art-20474437
Source one
Content of source one. Can be text, URL, Video, Audio, etc also in foreign languages. You can simply have an English conversation based on a video of a foreign spoken interview!
my source for inspiration has been Steven Johnson for quite some time. I think I used his book Emergence and subsequent Where Good Ideas Come From in my first Innovation classes in Barcelona for Hospitality students in 2006!