So I opened Periscope.Watching what happened next, both on my phone from the Periscope community to the firefighters directly above me was one of the most intense moments I've ever had.
Facebook plans to open up its Periscope livestreaming competitor to more than just celebrities.
In December, it launched the ability to live stream directly in Twitter itself, without having to open up the Periscope app.
Periscope opened broadcasting to all users, not just public figures, leading to a lot of boring, crummy, or super-short test streams.
Well, on the open sea, looking through a periscope without reference marks for comparison, the view is non-Euclidean.
The afternoon before Clinton's speech, Mike Cernovich, a thick-chested white man in his late thirties, sitting on a veranda in Southern California, opened the live-streaming app Periscope on his iPad and filmed a video called "How to fight back against Sick Hillary and the #ClintonNewsNetwork".
Simon Bradbury, of Thomas Morris in St Neots, Cambridgeshire, said his office was among the first to stream open house events using the app Periscope.
By 1947, when I was spending the summer caddying in Wisconsin and happened to visit the All-American Open at the Tam O'Shanter Country Club in Niles, Illinois, cardboard periscopes were on sale, and I bought one.
Periscope users will now be able to open up a map that will show which videos are live around the world as part of an update today.
