Twitter's Periscope streaming app just one-upped Meerkat

The immediacy of live-streaming is fantastic, and in some ways having the footage disappear after you've ended your broadcast (as is the case in Meerkat) just adds to the intrigue - be there or miss out.The thing is, we can't all be there all the time. Enter Periscope, a new app created by a company acquired by Twitter. Periscope has all the live-streaming skills of Meerkat, but also allows you to save your video so users can browse the app and find not-so-live content that they otherwise would