On the latest beta Chrome is a new toggle that lets users select which Flash content will be automatically played and which content will not.

Google has been working closely with Adobe to create this feature and make sure that only content that "isn't central to the webpage" gets blocked. If anything gets accidentally filtered then you can simply click on it to resume.

This feature might also improve battery life on mobile devices like laptops. It is still useful but it probably have been more useful a few years ago or if you visit porn sites – or so we are told.
It will be coming to stable desktop builds in the next few months.
Version 23 also gives users an option to send a "do-not-track" request to websites and online services, although Google warned that this feature's effectiveness depends on how the sites and services field these requests.
Chrome 23 also consolidates in an icon next to the URL a website's permission settings for things like geolocation identification, pop up messages and camera-microphone access.
You can click on the page/lock icon next to a website's address in the omnibox to see a list of permissions and tweak them as you wish.
Security fixes include one flaw which is mostly an Apple iOS one. This defends against wild writes in compromised graphics drivers.
Google fixed 13 other security vulnerabilities, including five rated High and seven rated Medium.