and then at a time when all of us are using the internet, we ask our david pogue if the internet canandle all of us logging on at the same time. that's our cover story. >> reporter: as more and more americans do their work and take their classes at home, over video, more of them are having problems with the internet. >> it is almost as though it were buffering, and i hear every third or fourth word, then it would freeze completely, and that would be it. >> there are a lot of signs that traffic is increasing pretty dramatically, especially during working hours. >> reporter: as we move our entire lives online, can the internet hold up? ahead on sunday morning. >> pauley: and then it is on to the toll all of this is taking on our emotional health. susan spencer is on the case. >> the stress, the anxiety, the emotions that are provoked by this crisis are truly significant. >> as new york governor andrew cuomo recently made clear, mental health is one more casualty of this pandemic. >> where do you think you would be if they had discontinued therapy all together? >> i don't epwant to thin

david pogue takes a look. >> reporter: like almost everyone else in america, corporate events producer mark felix has been working from home lately. it hasn't exactly been smooth sailing. >> three, although it seems like week 33, and the last week my internet has been crapping out on my big time. >> reporter: what form does that take? >> it keeps cutting out. my zoom meetings, i get dropped. when i need to open up a particular website, it's slower than usual. it's really acting like quite the belligerent child. >> reporter: he's not the only one. >> we're definitely seeing really dramatic rises in the use of internet traffic, especially during the workday, especially on these residential networks. anywhere from about 20% increases two weeks ago to closer to 40 or 50% now. >> reporter: internet expert josephine wolf is a professor at tufts university. >>> how much should we worry about the internet getting overloaded by everybody at home on video and video chat? >> so far we've been doing pretty well in urban areas of the united states. i think it's reasonable to be concerned some of th

our cover story is reported by david pogue.id: when you talk about fighting the covid-19 virus, you hear a lot about social distancing, self-isolation and vaccines, but you don't hear much about another incredibly important tool in fighting epidemics: contact tracing. it means deduc deduct deduc det. >> while contact tracing is really a fundamental part of managing infectious diseases that are contagious -- >> david: dr. louise ivers is a professor at harvard medical school and the director for the center of global health at massachusetts general hospital. >> we try to find people who have been exposed to the illness, and we give them instructions on what to do. that could be going to get a test. that could be self-isolating at home. we want to make sure you don't inadvertently expose other people. >> every day i want you to write down who you spent time with in person, and where you've been. >> david: rhode island governor gina raimondo has asked the entire population to keep a journal of the people and places they encounter.

david pogue has the story. >> reporter: when we talk about hear a lot about social distancing, self-isolation'tsou y hear much about another tool in fighting epidemics, contact tracing. it means detective work. when somebody tests ging infect that are contagious. >> reporter: dr. louise ivers is a professor at harvard medical school and the director of the center for global health at massachusetts general hospital. >> we try to find people who have been exposed to the illness, and then we give them instructions on what to do. that could be going to get a test. that could be self-isolating at home. we want to make sure that you don't inadvertently expose other people. >> every day i want you to write down who you spent time with in person and where you've been. >> reporter: rhode island governor gina remondo has asked journal of the people and places they encounter. >> when you find out that you're positive, you should pull out your notebook and hand it over to the department of health so that they'll have accurate up to date information. >> there's no nationwide tracking that's currently bein

as david pogue will report in our cover story. >> contact tracinan