. >>> now, the social network giant facebook is planning to add a dislike button to the website. users have called for the change, but the company has been wary of introducing it, saying it wants to avoid a negative atmoss year, now the founder said the dislike button will let people express empathy on facebook when they want to. to. oil in the arctic, why some are cold to the idea of a treaty ta could let america warm to it >>> uber on fire - why some say they've been left on the curbing >>> president obama faces changes in the arctic, last month he travelled to the region to call attention to damaging effects of global warming.

frustrated facebook users have a thumbs down for the social media giant after another service disruption. >> here's this morning's tech bytes. >> another facebook outage. >> the social networkwasn't available for about a 40 minutes yesterday afternoon. that's the third time in three weeks. >> facebook says it was a configuration issue that affected users in north america. >>> and iphone users are voicing frustration about a new feature wifi assist that allows the phone to use data when your wifi signal is weak. >> it's actually eating your data. you can turn wifi assistant off under settings. >> iphone users can buy lottery tickets without standing in line. you can use a new jack pocket app. >> so far it only works in the new york area, but it expands soon to california just in time for more than 300 million powerball jackpot. >> that's all you need on your tech bytes. >>> coming up, the mystery ambulance rides costing t taxpayers millions of dollars. >> a woman gets more than a bargain at a e flee market. the creature she found hiding in a pile of clothes. >>> we leave you with abc 7 news now. a live picture of downtown san francisco. definitely looks the same without the

the mistake to question whether he was fit to leave. mugabe blamed it on an unnamed official. >>> social network giant facebook is planning to add a dislike button to the website. users have called for it for years. the company has been avoiding using it. now, zuckerberg says the dislike button will help people express empathy from friends. >>> it's been a disappointing start in the champion's league. juventus came from a goal down. city were leading when georgia headed into his own goal. 30 minutes later the italian squired things up. at etihad stadium things got worse for pellegrini's side. 10 minutes left before the whistle. the win was sealed. >>> psv ian hoven won their match. final score 2-1. >> now, an exhibition looking at 30 years of chinese artist wei wei's work. highs passport was unexpectedly returned by the government. >> it's the u.k.'s anticipated show of year, where activism and ard collide. it spans 30 years of wei wei's work. and something in between. in china he's known as the designer of the bird nest stadium. which he dismissed as a propaganda event. he's seen as weak, bold and above all political. after the chinese g

. >> like it or not, facebook is the -- is the world's social networking giant. whether sharing pictures of our cats are addressing serious topics like the current refugee crisis. since 2000 nine, users have been able to show their approval for updates, photographs and events by hitting the like button. it has been clicked trillions of times. now the company's ceo, mark zuckerberg, says it is time to the to express other emotions too. >> it took us a while to get here. we didn't want to just build a dislike button, because we don't want to turn facebook into a forum where people are voting up or down on people's post. that doesn't seem like the kind of community that we want to create. you don't want to go through the process of sharing a moment that was important to your day and have someone down vote it. >> but what kind of world is facebook here to build? a publicly traded company worth almost $245 billion, it has come under fire or not doing more to combat hate speech on its platform. in germany, for instance, lawmakers have called on the social network to de

the country. and facebook is looking to b ng virtual reality to your smartphone. the social networking giant is working on new standalone 360-degree video app thate will allow users to change their viewing perspectives be t lting their phones and giving them a more spherical view. and mcdonald's mcrib fans have waited all year for the return of the popular boneless barbecue sandwich. customers may have to hunt around to find it. that's because only about half of mcdonald's restaurants in the u.s. are planning to carry it. reports originally pegged the rollout at roughly 75%. and some markets, accordi ato tweets, the sandwich has already made a come bank back, including parts of pennsylvania. michael r you loving it? >> lynda and i were saying, you can't get them in new york. >> going to have to fly them in. >> all right, landon. anks very much. have a great day. >>> coming up at 6:10 on "today in new york," state of emergency. homes evacuated. new evacuations ordered as wildfires burn out of control out west. >> and the winner is. a thnew miss america crowned in atlantic city. >>> plus, weat

the facebook owned company has 300 million monthly active users and the social networking giants consumerata allows instagram to target audiences more accurately. i guess i fall privy to in my own way on twitter i do count how many favorites you get or something but i see people in my immediate family that do instagram and they live on -- if they get 100 likes their life is complete. >> that's big. >> but why? >> because it's affirmation. >> it's affirmation. that we like you. we really like you. >> you would have never imagined we'd get to -- and then there's the poor people that get no likes. what are they supposed to do? >> i think the comments are work. >> it's a huge part of my life. i'm at negative tolerance now. even if i don't like the name itself there's no one left. how about you. you want to see what people say. >> bring it on. >> don't issue that challenge. >> i want to know. >> so you said bring it on. >> i want to know. >> i'll ask some of my people to bring it on. >> they do. i see what they say. >> netflix is expanding. it's going to launch it's streaming service in south