Can I collect additional geo-demographics from Twitter users and store this info in my app to supplement those available on Twitter for use in generating richer analytics around Twitter brands?


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Can I collect additional geo-demographics (yob, city, profession, mobile device) from Twitter users and store this info in my app to supplement those available on Twitter for use in generating richer analytics around Twitter brands?

Does Twitter allow mashing up of external data sources with those on its API for use in building analytical apps?