Now that's a change agent

I try my best to avoid parroting memes, which is why you'll never hear me describe someone as a "change agent." I knew the phrase had an extensive prior history as a term of art long before it became the center square in buzzword bingo, but I didn't know how long until I decided to lull myself to sleep tonight by tracing its evolution through Google Books.

That's how I discovered its stunning secret origin in an 1899 book on Enterprise IT Architecture:

Given that most of the technology in this book wasn't invented until the late twentieth century, there's only one logical conclusion: that Tony Beveridge was a cyborg sent back in time to assassinate President McKinley.