IDG Contributor Network: I've seen this one. This is a classic.

Marty McFly: I've seen this one. This is a classic. This is where Ralph dresses up as a man from space.Milton Baines: What do you mean, you've seen this? It's brand new.Marty: Yeah, well, I saw it on a… rerun.Milton: What's a rerun?Marty: You'll find out.—  Back to the Future Every now and then it's interesting to look back, and on this, the occasion of my 25th post to CIO.com, I looked back at the past 15 months or so and came up with a handful of groupings of my posts. I