What innovative feature of Netflix's original DVD mailer packaging helped it disrupt the video rental industry in the early 2000s?

Before becoming the streaming giant we know today, Netflix started as a DVD-by-mail rental service that disrupted the retail video rental industry. This trivia question explores how Netflix's innovative packaging design contributed to its early success and helped transform consumer behavior in the film and television consumption market. Test your knowledge of this pivotal retail strategy that changed an entire industry!

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

The red envelope design that doubled as return packaging with pre-paid postage
Biodegradable packaging that composted if customers forgot to return it
RFID-enabled envelopes that tracked location for faster delivery routes
DVD sleeves with built-in cleaning technology that restored scratched discs