Twitter is closing down it's API. After cutting links with LinkedIn now they cut the cord on Instagram. This will happen more often. It's a shame, because Twitter was on it's way to became the identity service for the internet. Deep integrations from Apple and numerous online services brought Twitter to the attention of the millions, but know it looks like that they want to become just another content service. Ask Yahoo and Myspace how well that went.
I can see how the ambitions can drive you to become more than just the infrastructure - but there lies also the trap.
It's no secret that the value of any social network (yes you can argue that Twitter is not a social network) lies in the users and their content, and if the social network itself tries to become the content player, then it starts to be confusing.
I think that Twitter will go down the path of Yahoo/Aol/[insert media conglomerate without vision here] if they continue this route, not just strategy wise, but also business wise.
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