Screen Management Tools News Today : Breaking News, Live Updates & Top Stories | Vimarsana

♪ good wednesday morning. i'm erica hill. >> and i'm jim scuitto. perhaps some relief. the first flights taking off moments ago from reagan national airport here in d.c., this after the faa lifted the earl why are ground stop. now restarting all u.s. takeoffs, but the logistical nightmare continues as airports across the country try to get their flights back on schedule. they're still mounting. it all started early morning after a key faa system went down, halting all u.s. flight departures. >> and that spreads around the world. in london, passengers said they were stuck on the t...

>> helping people in marginalized communities is the only reason i'm doing this. it's my entire mission. >> reporter: there is some research that suggests the positive sides of tiktok. according to pew research, they say one in eight teens report feeling more connected to community. 9 and they find a sense of create activity, and tiktok told us they do have screen management tools, where you can set limits. they're also testing a sleep feature that will tell you when it's time to shut down and go to bed. but, of course, what we're hearing from teens, they feel like tiktok knows them so well. t...