TV / Streaming Help

LunaZ

Okay guys...
I really don't know much about what's out there in TV's these days, or how I can make my TV part of the wireless network at my salon.

What I want to do is hang a TV or two on the wall of my salon and have the ability to stream videos and DVD's from my computer to the TV's over my wireless network.

Do new TV's just have this ability inherently, or is there some piece of equipment that I need to add?
I don't "need" to watch broadcast television, but I'm not opposed to having that ability if something like Google Chromecast is required.
Would I need one of those for each TV if I got more than one TV in the salon?

Any recommendations on which TV's I should look at?
Resolution and picture don't have to be top of the line; I'm not gaming or watching movies or HD. Just want moving pictures that stimulate people in my environment.

Thanks in advance!

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