On Monday morning, I watched the Today Show. Not on TV, though, and not standing and screaming alongside middle-aged Texans in the vicious cold outside the show's Rockefeller Center digs. My view was from the middle of the set, between two hulking broadcast cameras, as the three anchors wrapped up a segment. I don't remember what they were talking about, only that as soon as they threw to commercial, I was suddenly walking up to Al Roker, the show's anchor and weatherman and all-around hilariously weird dude. Just as he bent over to grab something from underneath the set's table, a voice I couldn't see said, "hey Al, say hi to Periscope."

Roker looked directly at me, and smiled. "Heyyy, Periscope. How ya doing, Periscope?"

In a week of beta-testing Periscope, the live-streaming app that Twitter bought for a reported $100 million early this year and is officially launching today, I've seen a lot of crazy things. I've watched astronaut Chris Hadfield's feet as he lay on the beach in Playa del Carmen. (He has a weird big toe.) I've gotten a tour of Dr. Sanjay Gupta's operating room. I've watched venture capitalist Megan Quinn wander around Croatia and attempt to pronounce the name of its capital, Zagreb. I've seen Tim Ferriss, he of the four-hour workweek and various other crazy self-hacks, show off his screwed-up shoulder, then go through the long regimen he's using to help it heal. I've lounged inside the pit of an orchestra as a french horn tooted away.