IIRC, they purchased a huge block of 16 million IPv4 addresses quite some time ago and are still pulling from that, so they aren't investing any new money into

IIRC, they purchased a huge block of 16 million IPv4 addresses quite some time ago and are still pulling from that, so they aren't investing any new money into IPv4. Also, I don't see them being that stressed about it, they now have the t2.nano now which are ~$5/m and still come with a free IPv4 address.