How to Migrate an AWS EC2 Instance from IPv4 to IPv6

Tangentially related: I'm tempted to buy call options ahead of Amazon's earnings in late April, because they will probably generate millions of extra profit from people that couldn't get through the steps to migrate off of IPv4.

Although looking at their latest earnings numbers [0], even $100M more will only marginally affect the net profit. Hm...

[0] https://ir.aboutamazon.com/news-release/news-release-details...