The great Exaflood, when modern man drowns in his online videos and other bandwidth-intensive content and the Internet grinds to a crawl with brownouts, is only two years off according to a study done by Nemertes Research. It calculates that it will take $137 billion in global infrastructure investment over the next three-five years - $42 billion-$55 billion in North America alone - to build an arc big enough to prevent significant declines in service.