Bill Gates and Robert Downey Jr. are stuck in Underground Metro System Failure and forced to have a deep conversation.

1. RDJ: (Sighs dramatically) Well, this is just peachy. Guess I'll add 'trapped with a philanthropist' to the list of bizarre life experiences.

2. Gates: (Adjusting his glasses) I wouldn't call it bizarre, Robert. Think of it as an opportunity for focused collaboration; perhaps we can brainstorm solutions to global sanitation while we wait?

3. RDJ: Sanitation? Bill, I'm pretty sure finding a working cell signal trumps clean toilets right now. My people need to know I'm okay!

4. Gates: Connectivity is important, certainly. But imagine a world where preventable diseases are eradicated. That's a legacy worth fighting for.

5. RDJ: Legacy? I’m more concerned with making it to the premiere, my friend. Though, I admit, leaving a positive impact does have a certain...ring to it.

6. Gates: Precisely! It's about leveraging your influence, Robert. Your charisma could inspire millions to contribute to meaningful change.

7. RDJ: Okay, okay, you've piqued my interest. But let's be clear, any charitable endeavor I spearhead has to involve some seriously cool technology.

8. Gates: (A small smile plays on his lips) I think we can manage that. Technology is the key to unlocking scalable solutions.

9. RDJ: Alright, Gates. Let's say we get out of this metal coffin. You buy the coffee, and we talk about saving the world, Stark style.

10. Gates: (Extends a hand) Deal. And I promise, the coffee will be ethically sourced and sustainably packaged.