I teach social media. I use social media everyday. Yet every couple of weeks I’m surprised what I find.

I mean really surprised.

Yesterday I wrote about seeing U2 in Dublin in ’89, but until–yesterday–I never thought to check YouTube for bootleg videos. Here’s one from Saturday night:

I should so know better, but I don’t. Is it my age? My generation? Haven’t I grown up with YouTube, too? I watched it’s birth and rise.

So why am I surprised at what I can find online?

Anyone have an answer?