Just shows the Bitstamp BTC (Bitcoin) price/rate.
It's fetched every 10 seconds or when the user clicks on the icon.
About badge background colours:
* black - price did not change from last fetch.
* green - price went up
* red - price went down
source code: https://github.com/colkito/BitcoinGO-extension
*** This is not an official plugin! ***
The author of this plugin has no affiliation with Bitstamp., nor is this plugin endorsed or supported in any shape or form by the Bitstamp.
More info about Bitstamp can be found from bitstamp.net
谷歌浏览器、其他Chromium内核的浏览器