That's called buffering, and it's caused by the fact that the data isn't coming down the internet fast enough for the picture to keep playing. It's going to get worse for a few weeks. (If you can watch a Youtube video without a pause - on any computer - on Christmas morning, you'll lucky. All the millions of new computers will be on the internet slowing it to a crawl. Think 70mph interstate during a particularly heavy rush hour. The internet normally slows down starting around the day before Thanksgiving and doesn't speed up again until school starts after the new year. (It slows down during the summer too, when school is out.)
You could build your own internet if you have a few quadrillion dollars lying around not doing anything - otherwise, no, there's nothing you can do. The internet was designed for "eventually", not "immediately" - IOW, for the IRS to be able to keep collecting taxes even if half the country was destroyed by a nuclear war. So even if an email from the NY office had to go via trans-Atlantic cable to England, then to Europe, then to Asia, then via trans-Pacific routes to San Francisco, it would still get there (in a week or so).
Internet 2 is going to be designed for speed. Some day. The idea is being talked about - that's as far as it's gotten, AFAIK. (I'm not invited to sit on committees any more - I'm retired and out of the industry.) Maybe by the middle of the century. Maybe not until next century. Once the design is decided upon (and it has to work with current computers, phones, etc., without slowing down communications between Internet 2 devices), someone has to come up with more money than the current national debt of the US to put it into place.
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