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Mobile Minutes: Apple Watch 2 details; U.S. Open vs. Periscope; Twitter’s live event ads; Walking and texting lanes

U.S. Open warns fans: Periscope and we’ll kick you out 
Good news for U.S. Open fans: You can bring your cell phone this weekend. Just do not use Periscope.
Read more on CNN Money

Twitter said to plan marketing campaign, ads for live events
Twitter Inc. is working on a marketing campaign to better explain how to use its services, people with knowledge of the effort said.
Read more on Bloomberg

Utah university adds texting and walking lane to its stairs
Phone carriers and local emergency rooms rejoice. Students at Utah Valley University have a new perk: a texting and walking lane.
Read more on New York Times