On Twitter’s business model

Interesting article in today’s Guardian. “Twitter users are increasingly inured to outages. … Why? … every new tweet (a single message) gets written on to one MySQL database; that is then replicated to multiple slave databases, from which all the “reads” are taken” (more).

What Twitter needs is to expand its capacity while making money from those who are using it. … it needs to deter some people from using it – while benefiting from those who continue to. There are two obvious ways forward. Charge the users, or charge those who want to get at the users. The first option is fine – if it wants to lose 90% of its user base (the rough tradeoff any service sees if it begins charging, however little). The second option might look puzzling, but it has worked before, in the MP3 market.

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