A possible concise summary is:
Will and Stephen review the year 2017 on YouTube, making jokes and comments about various events, trends, and controversies that happened each month. They also feature some other YouTubers like Caspar Lee, KSI, PewDiePie, Jake Paul, and Zoella. They end the video by thanking their viewers and promoting their channels.
Here are the key facts extracted from the text:
1. The video is a review of 2017, featuring various internet events and trends.
2. The host, Will, tries to recruit co-hosts, including Caspar Lee and KSI, but is rejected.
3. The host mentions that a YouTuber named Durv made a video called "My Teacher Has a Crush on Me".
4. A 13-year-old boy made a video where he calls a Chucky doll and other objects.
5. Danielle Bregoli, also known as "Cash Me Outside" girl, became famous and her net worth reached $10 million.
6. Rice Gum was accused of hitting Gabby Whelan, leading to a diss track.
7. Zoe Sugg was blamed for declining teenage literacy and art, despite not writing the book.
8. Kavos, a UK influencer, took a break from YouTube and came back with a headband.
9. Jake Paul released a diss track on his brother, Logan Paul.
10. Fidget spinners became a trend in May 2017.
11. The Sidemen charity match took place in August.
12. Jake Paul set his garden on fire and was rude to a news reporter.
13. The True Geordie podcast featured a busy week for Brian.
14. Floyd Mayweather and Conor McGregor had a fight in August.
15. JJ, a YouTuber, came back from a hiatus and called Ethan fat.
16. The helloworld scandal took place in October.
17. Jack Maynard, a YouTuber, appeared on I'm a Celebrity and had his nudes leaked.
18. Zoella released an advent calendar that was expensive.
19. The host mentions that the December month was quiet, with only minor internet trends.
Note: Some of these "facts" are actually just quotes or statements made by the host, but I've tried to extract the underlying information.