From the article….
Music streaming is the hot new thing, with many services offering access to millions of songs for a monthly fee. If you have your own music collection on your computer, you can put it online and stream it from anywhere — free.
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Speed is one of the founding principles of Chrome. As the web evolves and sites take advantage of increasing capabilities, Chrome’s performance—how fast pages load, how smooth scrolling is, how much memory is consumed, and how long your battery lasts—becomes even more important. So in the latest release of Chrome we’ve included a ton of improvements to make your browsing use less memory and power.
See more at http://chrome.blogspot.ca/2015/09/chrome-improvements-for-faster-and-more.html