Twitter is easing the rules protecting its monopoly on the tweet-promoting business, or at least making an exception.

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The European Union wants negotiations about rules on how foreign investors can be treated, about anti-monopoly policy and about the relationship between trade and the environment.

BBC: Key trade talks in the balance

Monopolists have to play by different rules than everyone else and one of these was that Microsoft had to not use its monopoly position to push Internet Explorer on everyone.

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