to return to work, and she said, look, i'm more productive working remotely than when i'm in the office. i really don't see a need to return back to work. you think that's legitimate for many workers or for some? >> oh, yeah. no, it's going to be a minority. there's lots of things you can't do. face to face delivery of services. you can't operate an assembly line remotely. in some cases, we've learned that remote learning doesn't work for younger kids. but other things, you know, we all have our particular things. a lot of what i do, i mean i've been teaching classes to graduate students remotely, and that actually for a small class of graduate students, it works fine. so in some ways, it's better. so it's going to be very selective. but clearly remote work is one of those things that's gone from being a marginal curiosity to being something that's going to be a major part of the economy