Fireplug, useful to 'get credit' for what you read (think check-in via Foursquare. Track topics you've been reading, how you stack up against other readers, dis

Fireplug, useful to 'get credit' for what you read (think check-in via Foursquare. Track topics you've been reading, how you stack up against other readers, discover content recommended by other 'experts'.. <https://chrome.google.com/webstore/detail/fireplug/mcdpcejkgajkhcfceeffmmacnenfpepp https://chrome.google.com/webstore/detail/fireplug/mcdpcejkg... >