Twenty-First Century Fox (FOX) has made an offer to buy Time Warner (TWX) in a $80 billion deal that could dramatically change the U.S. media industry. Will a deal go through? What are the implications for investors?

The following slideshow contains some ideas regarding the main factors to watch and important aspects to consider in the medium term. 

Your cable company is scared, but you can get rich
You know cable's going away. But do you know how to profit? There's $2.2 trillion out there to be had. Currently, cable grabs a big piece of it. That won't last. And when cable falters, three companies are poised to benefit. Click here for their names. Hint: They're probably not the ones you think.