A cookie it's a file that it's downloaded in user's device to access at websites for save and load information about the navigation of that computer.
The cookie allows that site, among other things, store and retrieve information about user habits and decisions. In Telegenomics.com we use to personalize the experience within our sites, identify and remember the registered user and ease of navigation.
The user can set his browser to not accept cookies, in which case the personalization of the experience would not apply although his can still access the contents of our websites normally.
In Wikipedia's page (http://en.wikipedia.org/wiki/HTTP_cookie) it's possible get more information about what cookies are and how it works.
The cookies, in terms of their permanence, may be divided into permanent or session cookies. The firsts expires when the user closes the browser. Seconds expires when it reach the purpose for which its serve. (for example, to keep the user identified in the websites and services from Telegenomics.com) or when its manually deleted
Additionally, depending on its target, cookies may be classified as follows:
Analytical cookies: Each time a user visits a Web Service or a tool from an external provider (Google Analytics) generates an analytic cookie on the user's device. This cookie is only generated in the visit, will in future visits to Telegenomics.com services to identify anonymous visitors. The main objectives to be achieved are:
Important: Unless the user decides to recorded in any Telegenomics.com site, the cookie will never associated with any other personal information that can identify you. These cookies will only be used for statistical purposes to help optimize the user experience on the site.
Geolocation cookies: this cookies are used to find out which country is when a web or service requested. This cookie is completely anonymous and is only used to help guide the content of its location.
Performance cookies: this type of cookie remembers your preferences for the tools found in the services, so no need to reconfigure the service every time you visit. For example, in this type include:
Log cookies: log cookies are generated once the user is registered or later opened its session, and are used to identify you on the web and services with the following objectives:
Most current browsers allow users to configure whether to accept cookies and which ones. These adjustments typically located on options or Preferences from browser menú.
These are the instructions to set cookies in the major browsers: