First-order effects

• Plex's global user base gains a free, ad-supported catalog of movies and shows in ~220 countries, no subscription required, giving the company a new advertising inventory stream on top of its Plex Pass business.
• The Roku Channel, Tubi, Crackle, and Vudu's Movies on Us each gain a competitor whose distribution advantage is an installed media-server audience rather than a standalone app.

Second-order effects

• Studios like MGM gain another non-exclusive licensing outlet for back-catalog content, reinforcing the AVOD model as a standard monetization path for library titles and strengthening Plex's hand when it negotiates the subscription-reselling and transactional VOD deals it has planned for 2020.
• Plex is simultaneously re-pricing its core fan product — raising the Lifetime Plex Pass from $249.99 to $749.99 — signaling that ad revenue, not pass sales, is becoming the growth engine and freeing the company to charge more to its most committed users.

Third-order effects

• If the pattern holds, Plex completes its shift from media-server software maker into a full streaming aggregator — free AVOD plus resold subscriptions plus transactional rentals — a structure the follow-on launch of 80+ free live TV channels in 2020 confirms was already underway.
• For the broader market, every niche player that owns an engaged audience becoming an ad-supported streamer compresses the space between pure services like Tubi and platform players like Roku, pushing differentiation toward aggregation breadth rather than any single content library.