One of the key features of twitter, the global reach of hashtags, would be impossible. Twitter relies very heavily on being centralised. Anyone claiming to build a decentralised twitter needs a very careful numbers-based argument as to what the bandwidth consumption of being a popular user or hashtag might be.
If a million people suddenly want to participate in a single hashtag, you necessarily also have a million devices able to contribute to the distribution of the content. It's far from intractable. It's bittorrent for tweets.
One of the key features of twitter, the global reach of hashtags, would be impossible. Twitter relies very heavily on being centralised. Anyone claiming to build a decentralised twitter needs a very careful numbers-based argument as to what the bandwidth consumption of being a popular user or hashtag might be.
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