coComment is an online service that lets users keep track of their comments on any website. The service is based in Geneva

Geneva

Geneva In the national languages of Switzerland the city is known as Genf , Ginevra and Genevra is the second-most-populous city in Switzerland and is the most populous city of Romandie, the French-speaking part of Switzerland...

, Switzerland

Switzerland

Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

, and founded in February 2006 by a company called Swisscom

Swisscom

Swisscom AG is a major telecommunications provider in Switzerland. Along with Swiss Post, it is a successor company to the former state-owned PTT. Its headquarters are located at Worblaufen near Bern...

. After a user installs the coComment bookmarklet

Bookmarklet

A bookmarklet is Unobtrusive JavaScript stored as the URL of a bookmark in a web browser or as a hyperlink on a web page. The term is a portmanteau of the terms bookmark and applet, however, an applet is not to be confused with a bookmarklet just as JavaScript is not to be confused with Java...

 or web browser

Web browser

A web browser is a software application for retrieving, presenting, and traversing information resources on the World Wide Web. An information resource is identified by a Uniform Resource Identifier and may be a web page, image, video, or other piece of content...

 plug-in, they can use it to track their comment and any replies to their comment on any webpage that they visit. The service has over 1.3 million users as of July 1, 2008.