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Twitter CEO Jack Dorsey says "we're ready to question everything" about the social networking site that has been overrun by spam, abuse and misinformation.Dorsey says he and his team are working extensively behind the scenes to stamp out some of the harassment and hate speech that has generated bad headlines lately.But it is a long-term effort, he says, and he is reluctant to commit to an exact timetable for certain changes to Twitter's foundation.In twelve years, "we've changed a lot. But we haven't changed the underlying fundamentals," Dorsey told CNN in an in-depth interview at the company's headquarters on Friday.The basic fundamentals are what he is examining now. For instance: What does Twitter incentivize its users to do?"Every product decision we make is 'telling' them to do something," Dorsey said.So he is thinking about how to help users follow topics and hashtags, not just people."We are aware of some of the silos and how we're isolating people by only giving them crude tools to follow accounts. We need to broaden our thinking and get more back to an interest-based network," he said.Related: Twitter's Jack Dorsey: 'We are not' discriminating against any political viewpointDorsey is also rethinking how follower counts and "likes" on posts are displayed, because the race to gain followers and likes may encourage outrageous behavior.His view is that Twitter needs to be much more "transparent" and open about its actions. But that transparency, some of which was on display during Dorsey's media tour this month, means asking questions without actually answering them.Among the questions Dorsey asked in the CNN interview: "How do we earn peoples' trust?" and "How do we guide people back to healthy conversation?"While he may get credit for asking big, philosophical questions about how his site operates, Dorsey remains vulnerable to criticism about Twitter's inaction.He responded to that by saying "we are taking a lot more action than we ever have in the past." But much of the action is invisible to users, he asserted.For example: The disabling of bot networks and other suspicious accounts. Dorsey said Twitter challenges "10 million accounts every single week to see if they're automations or humans," and takes action accordingly.But Twitter's stock plunged last month when its quarterly earnings report showed a decline in user growth, which the company attributed to its efforts to clean up the site, akin to gardeners removing weeds.Nonetheless, Dorsey is committed to what he calls "conversational health" -- the quality of an exchange on Twitter -- which he is trying to measure with the help of two research groups. He said investors should take a look at the long-term trends: "We see this as necessary and right and we believe in it and we have conviction around it, and we'll take the hit in the short term."Related: Twitter is purging suspicious accounts from your follower countHe also asserted that "over the short term, a lot of this work is invisible, and over the long term, it starts to add up."As for some of the specific changes, like a rethinking of the like button, Dorsey was reluctant to talk about a timeline."We're looking and thinking about all these things right now," he said. So: By the end of the year? "I worry about a time frame like that," he said, "because we also need to take into consideration -- we're a small company. I mean we, in comparison with our peers, we're a small company, but we have this outsized impact and I believe, importance."Later, he added, "We have to understand first the problem we're trying to solve, like what incentives we actually want to drive; not just what we want to remove, but what we want to drive." But he said he knows he wants incentives "that encourage people to talk and to have healthy conversation." 3824

Two journalists from WYFF-TV based out of Greenville, South Carolina were killed Monday afternoon when a tree fell on their SUV while covering a storm that was causing flooding in the area, the station confirmed. WYFF anchor Mike McCormick and WYFF photojournalist Aaron Smeltzer were killed by the tree that landed on the SUV. The incident happened in Polk County, North Carolina. Tryon Fire Chief Geoffrey Tennant told WYFF that the SUV's engine was running when authorities reached the scene around 2:30 p.m. on Monday. The tree was reportedly 3 feet in diameter. Heavy rain in the area caused the roots of the tree to fail, Tennant told the station. "It personally affected me a little bit because I had done an interview with Mr. McCormick about 10 minutes before we got the call. And we had talked a little bit about how he wanted us to stay safe and I wanted him to stay safe and of course 10 or 15 minutes later we got the call and it was him and his photographer," Tennant said. "It's the first time I ever met either one of those two gentleman, but you feel a sense of responsibility to them."McCormick joined the station in 2007 as a reporter, and was promoted to anchor in 2014. Smeltzer joined the station in February.  1310

UPDATE August 25, 5:23 P.M.: The City of El Cajon told 10News Tuesday that the city has always allowed the public to use its public spaces within parks without a permit. The city also said it has extended the stance to commercial uses.SAN DIEGO (KGTV) -- Amid new COVID-19 restrictions, some local churches and gyms are expected to begin using San Diego's parks to conduct operations outside beginning Monday morning.City Councilman Chris Cate proposed the idea in mid-July, and the San Diego County Board of Supervisors approved a similar ordinance for county parks on Aug. 5.The ordinance means the City of San Diego's more than 300 parks, 26 miles of shoreline, and 57 recreation centers could be used for gyms, fitness classes, and worship services, however social distancing and face coverings are still encouraged.The ordinance defers park permit fees for 60 days. Mayor Kevin Faulconer will bring an ordinance to the council once it is back in session in September to make the waiving of fees permanent.This latest move is Faulconer's third executive order allowing for some businesses to operate outside.Previously, he had allowed for some retail and restaurants, and subsequently for gyms, barbershops, hair salons, and massage businesses to expand to sidewalks and private parking lots.In Poway, officials approved a plan to share park space with places of worship and fitness centers. 1404

VALLEY CENTER (KGTV)- A former North County school security guard was sentenced Thursday after he was found guilty of sending inappropriate pictures to children online. Steven Lloyd Duncan was arrested by the Internet Crimes Against Children Task Force in December 2018. Six months later he was sentenced to four years in state prison. Duncan was found guilty of four different charges related to child pornography. According to investigators, Duncan used social media platforms like Instagram to communicate with girls ranging in age of 10 to 14 years old. Investigators say he sent photos to underage children and received photos from children. During the investigation, 600 images and 350 videos of child pornography were found on Duncan’s phone and commuter. Duncan was a security guard at Valley Center High School for 11 years but the investigation shows the acts happened after his time working for the district. 928

UPS has reportedly relaxed its rules on facial hair and now allowing natural Black hairstyles.According to CNN and the Wall Street Journal, the rules on facial hair were that beards were not allowed for most employees, and the company limited mustaches to above the lip's crease.The shipping company also stated men couldn't have hair below the collar and no afros or braids.UPS geared the old guidelines more towards drivers and other staff who interacted with the public, the WSJ reported.On Wednesday, the shipping company eliminated those strict rules on people's appearance, along with gender-specific regulations, including regulations like the length of the uniform's shorts. 690

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