Add Hatena Star button to your browser and Web pages in the world.
The Hatena Star Everywhere Chrome extension add "Hatena Star button", which can add ☆ (stars) to blogs and other Web pages, on your Chrome toolbar and in various Web pages. In addition, you can add notes on Web pages using this extension.
Hatena Star requires a user account (known as "Hatena ID"), which is available for everyone in free of fee.
Forum for Hatena Star Everywhere (Chrome)