It's like email. It should not matter in which social network our friends are, we should be able to communicate with each other. Imagine that today you can o

It's like email. It should not matter in which social network our friends are, we should be able to communicate with each other. Imagine that today you can only send email from gmail to gmail account. If that is the state today, won't we think of decentralizing email now? Having a choice is a good thing, and one size would not fit all.