RSS Subscription Extension (by Google)

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Adds one-click subscription to your toolbar.This extension auto-detects RSS feeds on the page you are reading and upon finding one will display an RSS icon in the Omnibox, allowing you to click on it to preview the feed content and subscribe.

The extension comes with a few feed readers predefined (Newsblur, My Yahoo, Feedly, Inoreader, The Old Reader) but also allows you to add any web-based feed reader of your choice to the list.

What's new in version 2.2.6?
+ Added a couple of more Feed reader services.

What's new in version 2.2.5?
+ This version contains security fixes.
+ Replaced deprecated Bloglines RSS service with Newsblur.

What's new in version 2.2.2?
+ Doesn't run in the background all the time, only when in use.
+ Updated to not use a soon-to-be-deprecated API.

What's new in version 2.2.1?
+ Removed Google Reader and iGoogle from the list of default feed readers.

What's new in version 2.1?
+ This extension is now available in over 40 languages.
+ If you see localization problems, let us know: http://crbug.com/37233

Changelist:
+ Navigating to feed pages directly now takes you to the subscription page (instead of showing XML).
+ Found a feed where this doesn't happen? Let us know: http://crbug.com/32967
+ Added an Options page for configuring feed readers.
+ Added an option to skip the feed preview page when subscribing.
+ Added a link to the preview page for those wanting to copy the direct feed link (look for the [ Feed ] link in the blue bar).
+ Added support for multiple feeds per page.