Especially since the article suggests that most of the SSDs are being used for meta-data / content-management with the actual data being on spinning disks, poss

Especially since the article suggests that most of the SSDs are being used for meta-data / content-management with the actual data being on spinning disks, possibly in another data center. Since they have so much lower power demands I wonder if they are going to move further up the pipe? Instead of the ISP routing a request to an index server which then decides which is the nearest DC or akaimai host with the actual data - would the first line of dropbox/amazon/google/netflix actually move into the ISP's local rack.