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www.casarealhoteles.com like many other commercial websites, uses a standard technology called 'cookies'. Cookies help a website determine that a user has previously visited the site and as a result, the cookie helps the site save and remember the preferences that have been set while the user firstly browsed the site. Cookies are small text strings that websites can send to your browser. They can not retrieve any other data from your hard drive, or get your email address.