Unboxing videos can be helpful. For instance, when I was shopping for Collector Card Game card packs for my son for his birthday, it was nice to see what exactly is in the different available packs.
How-tos are, generally, great. It’s nice to have a well-lit, well-edited how-to that is narrated by someone who is fluent in his first language. It’s how I learned how to change the distributor cap on my Crown Vic a few years back. Really great. What I didn’t like was when I was working on a crochet project and realised I was doing a stitch the wrong way, and needed a visual guide through how to do it the right way.
A stitch takes about 5 seconds to complete. The shortest video I could find was 10 minutes. I really didn’t need to hear some yuppie mom pitch her favourite hand-spun alpaca yarn for a million years before getting down to business.
Let’s Plays are one of my son’s favourite things ever, so while there are a few voices that I could stand to hear less of (I’m looking at you AnnoyingOrangeGaming!) some are really entertaining (like Dan of The Diamond Minecart).