With apologies to Jeff Foxworthy …

You know you're middle-aged when you're 10 years older than retiring pro athletes. You know you're middle-aged when you don't recognize a single artist name in the Billboard Top 10 except Madonna. You know you're middle-aged when your spouse suggests in her most come-hither voice it's bedtime, and you say, "but SportsCenter is about to start!" You know you're middle-aged when someone asks if you Twitter, and you ask, "Why, did someone relate an amusing bawdy anecdote?"

I am middle-aged. I realized this during research for an article I'm writing for an August issue of E-Gear on mobile social networking. Aside from discovering Twitter and my obvious middle-agedness, I also discovered a ginormous generation gap when it comes to one important aspect of technology. Read on to find out more about the widening techno-chasm between boomers and Generation M, or Generation Media, the Internet Generation.