Moderna requests COVID-19 vaccine booster authorization for all adults. What to know today

In today's top stories, Moderna requests FDA emergency authorization for COVID-19 booster shot for all adults, with 13 states allowing all adults -- those age 18 and older -- to get a booster shot of the COVID-19 vaccine. In other news, Instagram faces investigation over its impact on teens. And finally, Starbucks and Amazon's first cashierless coffee shop is now open in NYC.