And to answer the question about bandwidth: If Obama with 150K followers spread across 1500 servers posts a 200KB image: Obama's server will: - have an outbound

And to answer the question about bandwidth: If Obama with 150K followers spread across 1500 servers posts a 200KB image: Obama's server will: - have an outbound bandwidth of 300MB - storage increased by 200KB. The 1500 subscribing servers will: - each have inbound bandwidth of 200KB - have outbound bandwidth to devices of 20MB if they have 100 users each - increase storage by 200KB Those subscribers can boost(retweet) the toot, and then their subscribers will see it too. If they are on the same servers, the increase in bandwidth is only getting it to their devices. - increase in storage of 200KB