but tweety is the one that i like the best. i think it does a great job of letting you make your own posts, read other people's posts. and do searches and do other functions within twitter. another closely-related app, social networking app is face book. this is officially produced by face book itself. it has -- it covers all of the core functions of the web-based facebook service. you know, updating your status messages and your photos, viewing other people's, news, and viewing their photos, dealing with internal facebook e-mail and internal facebook chat. another app i find myself using a lot is amazon's kendall app for the iphone. this is a free app that performs the basic functions -- not all of them but the basic functions of the kendall e book reader hardware that amazon sells for $360. it can allow you to read on your iphone the same kendall books you can read on your kendall device. and it will even synchronize between a kendall device and a iphone if you happen to own both. >> first, where can people see those kind of

the first one i would like to mention is called tweetie. be able to use it on the go. there are a bunch of twitter applications, but this is the one i'd like the best. i think it does a great job of reading other posts. you can do searches and other functions within twitter. another closely related application and social networking application is facebook. this is officially produced by facebook itself. it covers all of the core functions of the web-based facebook service. you can update your photos. dealing with internal facebook email and chat. another application is the kindle ap. this performs the basic functions of the kindle hardware that amazons sells for $360. it can allow you to read on your iphone hossein kindle books that you can read on your kindle device. -- it allows you to read on your iphone and the same kindle books that you can read on your kindle device. i was recommending iphone applications. the most, i think the most important, car sported bell is shoot -- hardware technology is the rise of the hand-held computer, the super smart phone. unlike the

i sound like tweety the bird. but not having any effect on traffic.l lanes open headed into downtown so good news there. 270 all lanes open, no repeat of yesterday's debacle. back to you. >> all right, jerry, thanks very much. >> we begin with breaking news in maryland. nbc news has confirmed a group of american students has been quarantined. >> early reports say that the students are quarantined at a hospital in beijing, china. some are reportedly from walter johnson high school in bethesda. >> news 4's tracee wilkins is live at the high school this morning with more on this breaking news story. tracee, good morning. >> reporter: good morning, eun. we have got two updates. first of all, we spoke with the principal of walter johnson high school who tells us that the high school has not sponsored a trip to china, but this was evidently an independent group. now, nbc foreign desk has given us more of an update so we have more information for you. this was a culture and language group that went over to china, about 21 students. they went about a week ago

he does the tweety. >> it helps keep military families connected to families here at home. in touch. you can send pictures and videos. >> upload photos. >> dave: euro italy, right? how did you stay in touch and i got something right there day. reverend there. >> that's it. _ how does it work on him all? snap photos and get some photos and come to say hello to alan standing. >> ainsley: lily, tell me how it works? you communicate with your child if you are overseas? >> it's the same as any kind of typo google website that thing. you can do wonderful messages and send video like we said. if you like, either messages. it's wonderful. >> ainsley: is perfect for children because they love elmo. >> was great and slick, as well, as you can go on and ask questions. if you think you're not aware of. you can help others answer questions. it's wonderful. >> dave: there are sesame rooms across the country. you hang out in there. >> it's cool because they help designers. the pilot was on the terms. >> it's got furniture and stuff like that. >> it's a wonderful thing. they are sending 35