There's no doubt that plain old YouTube can be tons of fun, but when you get bored of watching clips the traditional way, there are a ton of sites that can help enhance the experience.
provides a solution to a problem that a lot of teachers run into when they want their students to use a new web tool. Let's say there's a new service that I want my students to use but my students don't have email addresses that they can use to register for that service. In that case I can quickly generate Gmail addresses for my students by using the Gmail+1 hack.
When we gather to discuss our experiences in online and hybrid classes, we often end up talking more about technology than about the subjects we're studying/teaching. For me, it's like sitting down to write an essay with pen and paper and becoming distracted by ruminations about the nature of No. 2 pencils and loose-leaf paper. Likewise, discussions of digital pedagogy can quickly become preoccupied with best practices for using technology and not best practices for teaching.