Twitter
It appears that Twitter is experimenting with selling ad space in users’ lists of accounts they follow, reports Marketing Land. Actor William Shatner made a noise about it a little while ago, tweeting that he noticed that MasterCard’s account began showing up on his own Following list, even though he didn’t actually follow the credit card company on Twitter. .@jack @safety Why am I following MasterCard when I didn't add them? I do not appreciate this. pic.twitter.com/k91D6vTaXZ — William Shatner (@WilliamShatner) December 30, 2014 Shatner also mentioned that fellow actor Dwayne Johnson’s Following list included MasterCard — even though Johnson only…

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