New subscribers can sign up for a Plex lifetime pass for just $89.99 with the code FLASH25OFF . The lifetime pass on Plex is normally $150, but right now it's discounted to $119.99. The code just adds a little more incentive. This deal is for new members and won't work if you already have a subscription.
Windows Central has the breakdown of Plex if you need to know more about it. Basically, if you've got all your media scattered across several different hard drives, mobile devices, and everything else, Plex is the service you need to bring it all together. It creates a sort of media server for you, and lets you stream wherever you want. Watch the movies on your computer using your phone.
You'll also get access to a bunch of streaming channels via Plex including podcasts, web shows, and more. Combine Plex with an HDTV antenna and a tuner and you'll be able to watch live TV anywhere, too.
