But even in relatively limited doses, these videos can affect young toddlers’ development. If kids watch a lot of fast-paced videos, they come to expect that that is how videos should work, which could make other educational videos less compelling and effective. “If kids get used to all the crazy, distracting, superfluous visual movement, then they may start requiring that to hold their attention,” Johnson says.
One reason is that it caters to a narrow audience of young viewers. Music videos are its most popular content. YouTube’s stars remain relatively unknown. Felix “PewDiePie” Kjellberg is the biggest star, with 35 million subscribers to his wacky videogame montages. Even Ms. Wojcicki hadn’t heard of him before joining YouTube, she told a conference last fall.
In February 2015, YouTube released a secondary mobile app known as YouTube Kids. The app is designed to provide an experience optimized for children. It features a simplified user interface, curated selections of channels featuring age-appropriate content, and parental control features.[60] Later on August 26, 2015, YouTube launched YouTube Gaming—a video gaming-oriented vertical and app for videos and live streaming, intended to compete with the Amazon.com-owned Twitch.[61]

In this video Sean Cannell from Think Media shares tips how to grow your youtube channel and advice on how to grow your youtube channel fast. If you are wondering how to grow your youtube channel fast in 2018 and you want to grow your youtube channel, check out this video. People wonder how to make your youtube channel grow faster and that is hard to do without a youtube channel growth strategy. So check out these youtube channel growth tips for 2018!
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Also in November 2017, it was revealed in the media that many videos featuring children – often uploaded by the minors themselves, and showing innocent content – were attracting comments from pedophiles[376][377] and circulating on the dark web, with predators finding the videos by typing in certain keywords in Russian.[377] As a result of the controversy, which added to the concern about "Elsagate", several major advertisers whose ads had been running against such videos froze spending on YouTube.[378][369]
Still, one of the main ways (or easiest) to earn money on YouTube is through YouTube running ads on your videos. Once you get a certain amount of views, you can connect your account to a Google AdSense account, which will allow you to start earning money on your videos, according to USA Today. In order to qualify, you reportedly now need (as of January 2018) 4,000 watch hours in the past 12 months, plus 1,000 subscribers to join the YouTube Partner Program (which will get you ads and therefore cash from your channel). 
In re: your second point, getting users to pay for content is absolutely part of the equation, but not the entire equation. The whole other half of it is creating ways to minimize the cut a middleman takes such that even if it’s zero sum game, more of the sum is going to the content creators, as well as developing new revenue streams that don’t require a direct cost from users to give direct profit to content creators.
You’ve probably heard stories about regular people earning money on YouTube and thought, “Hey, I can do this too!”. While earning thousands of dollars probably isn’t realistic, you can start earning money quickly, especially if you have a strong subscriber base. Follow this guide to get your videos monetized and start earning revenue off of those YouTube ads.
Of course, influencers have their own interests to look out for, too. “The process of creating a brand campaign is holistic, and the cost is not standard,” says Natalie Alzate, the woman behind NataliesOutlet, a YouTube channel with almost 6 million followers. “My manager, agent, and attorney work hard to ensure that each campaign is a success, which is measured by whether the fans respond to it as well they do to non-sponsored content.”
If streaming video followed the broadcast model, YouTube—in partnership with governments around the world—could also subsidize research into creating educational content specifically for YouTube, and into how best to deliver it to children. The company could invest in research to develop the best quantitative signals for educational programming, so it could recommend that programming to viewers its algorithm believes to be children. It could fund new educational programming, just as broadcasters have been required to do for decades. (“We are always looking for ways to build the educational content offering in the app in a way that’s really fun and engaging for kids,” Ducard said.)

Infrastructure costs -- The concept of free user services and scaling to eventually make them pay depends on the negligible price of adding additional consumers. But video is demanding of bandwidth and storage. Even if those are cheap in general, once you're handling as much material as the service does, it means big expenses for infrastructure. Although those costs won't scale linearly with the increased number of users, they do grow.

Maybe better or more refined solutions exist, but if the history of children’s television teaches us anything, it’s that the market alone will not generate the best outcomes for kids. Nor is the United States government likely to demand change, at least not without prompting. Heroes will have to emerge to push for change in the new YouTube’d world, just as they did in the early days of broadcast children’s TV. And not all of those heroes will come from the Western world. They’ll come from all over the globe, maybe even Chennai.
Until last month, pretty much any random person could enable the “monetization” setting on their YouTube account and get ads on their videos, allowing them to earn a fraction of a cent for every time a person viewed or clicked on their content. That all changed in January, however, when Google (YouTube’s owner) announced new standards to merit those ads. Now, to be accepted into the “YouTube Partner Program” and monetize your channel, you need a minimum of 1,000 subscribers and 4,000 hours of watch-time over the past 12 months; your videos will also be more closely monitored for inappropriate content. Meanwhile, YouTube also promised that members of “Google Preferred” — a vaunted group of popular channels that make up YouTube’s top 5 percent, and command higher ad dollars because of it — will be more carefully vetted. (These shifts followed the Logan Paul controversy, as well as a brouhaha about ads running on unsavory content, such as sexually explicit or extremist videos.)
Controversial content has included material relating to Holocaust denial and the Hillsborough disaster, in which 96 football fans from Liverpool were crushed to death in 1989.[345][346] In July 2008, the Culture and Media Committee of the House of Commons of the United Kingdom stated that it was "unimpressed" with YouTube's system for policing its videos, and argued that "proactive review of content should be standard practice for sites hosting user-generated content". YouTube responded by stating:

While not directly related to YouTube, you can use your YouTube platform to build up a following and reputation, and eventually direct your viewers to other paid platforms, like Yondo. This platform allows you to create your own kind of video store, where you can sell special videos (either on a subscription basis or pay-per-view). And, the best part? You can set your own price. 
After all, relatability is a YouTuber’s greatest asset — along with a willingness to keep plugging away. “If you’re passionate about it, you really increase your chances of success,” says Asano. “It’s a lot of work. To produce just one video, you need camera equipment, a computer to edit it on, and time. And if you’re just starting out, you’re not going to get paid for a while because you need to build your subscribers. Don’t do it because you think you’re going to make an easy buck, because it’s not.”
This is the latest move in the president’s long record of prioritizing harsh immigration and asylum restrictions, and one that’s sure to raise eyebrows—the White House had hesitantly backed off the plan in August before reversing course. In essence, the administration has now decided that Vietnamese immigrants who arrived in the country before the establishment of diplomatic ties between the United States and Vietnam are subject to standard immigration law—meaning they are all eligible for deportation.
YouTube originally offered videos at only one quality level, displayed at a resolution of 320×240 pixels using the Sorenson Spark codec (a variant of H.263),[86][87] with mono MP3 audio.[88] In June 2007, YouTube added an option to watch videos in 3GP format on mobile phones.[89] In March 2008, a high-quality mode was added, which increased the resolution to 480×360 pixels.[90] In November 2008, 720p HD support was added. At the time of the 720p launch, the YouTube player was changed from a 4:3 aspect ratio to a widescreen 16:9.[91] With this new feature, YouTube began a switchover to H.264/MPEG-4 AVC as its default video compression format. In November 2009, 1080p HD support was added. In July 2010, YouTube announced that it had launched a range of videos in 4K format, which allows a resolution of up to 4096×3072 pixels.[92][93] In June 2015, support for 8K resolution was added, with the videos playing at 7680×4320 pixels.[94] In November 2016, support for HDR video was added which can be encoded with Hybrid Log-Gamma (HLG) or Perceptual Quantizer (PQ).[95] HDR video can be encoded with the Rec. 2020 color space.[96]
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