Instagram has introduced new rules aimed at protecting its teenage users, including preventing them from being tagged and providing reminders to take breaks. Some say it’s a useful first step, but others call it window dressing put in place one day before company head Adam Mosseri appears before a U.S. Senate committee. #Instagram #socialmedia #teens Watch The National live on YouTube Sunday-Friday at 9 p.m. ET Subscribe to The National: https://www.youtube.com/user/CBCTheNa... Connect with The National online: Facebook | / thenational Twitter | / cbcthenational Instagram | / cbcthenational More from CBC News | https://www.cbc.ca/news The National is CBC's flagship nightly news program, featuring the day's top stories with in-depth and original journalism, with hosts Adrienne Arsenault and Andrew Chang in Toronto, Ian Hanomansing in Vancouver and the CBC's chief political correspondent, Rosemary Barton in Ottawa.