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> It has terrible UX, but I could target a U.S. Military retiree that likes creole food, located in Boston, enjoys watching Golf and uses iPhone 11 Pro with an older iOS version 14

So, it's got lots of categories you can target. But...what evidence or guarantees are there of accuracy of the targeting?

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There seems to be some misfiring because rate of likes isn't high (~1 like in 100 impressions), but based on the people that like the promoted post it is 100% without exception accurate. So, at the least, it is reaching the right people. I know because there are currently 500+ likes and I've visited every single profile and tried to engage with them. Audience is just developers.

I must say, it has been a very positive ad experience – receive compliments, 10% retweets, and had several long form conversations with strangers on Twitter messages. Really fun.

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