Twitter is introducing a new type of ad today called Instant Unlock Cards. They sound great for brands, but pretty sucky for users. Here’s the gist of it: A brands tweets out a teasing image – say, for a movie trailer. Want to read or see more? Sorry, you have to tweet out #something first. Then the full trailer will be unlocked. Now Available! Engage w/ customers using Conversational Ads & the new Instant Unlock Card. https://t.co/NoRREule5Z pic.twitter.com/aFlMvgtbh8 — Twitter Advertising (@TwitterAds) August 4, 2016 It’s a lot like those awful “share to see more” promotions on Facebook. You could argue that…

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