A: To toast the bread of time, and thereby alter the fabric of reality.
A: Ah, regular bread. Yes, it will toast that too. But let's be real, you came to this toaster for the chrono-bread, didn't you?
A: Safety is for the weak. If you're here, you're ready. Just don't blame us when your great-great-grandkids are still eating your breakfast 20 years from now.