Twitter Group DM: A live test with William Shatner — mashable.com

My Twitter app lit up with a direct message alert and I stopped what I was doing to check it. I consider DMs important. They’re private messages between people who follow each other, something akin to a 20th century phone call. This DM was, however, different. It was from actor and Twitter gadfly William Shatner. He was initiating a Twitter Group DM. The Twitter Group DM icon includes members in the group in a four-square configuration.

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