1. A method for delivering personalized notifications to at least one user said method comprising the steps of: receiving a content description from a content provider, said content description defining, for a piece of content received from said content provider, at least one keyword, said at least one keyword having at least one attached value, and a localization of said at least one attached value in said piece of content; recording said at least one attached value and at least one delivery channel selected by said user each time a subscription request for a notification service related to said content description, is received from said user; generating a notification rule associated with said user based on said selected at least one attached value and said localization; adapting said piece of content related to said content description to comply with said notification rule each time said piece of content is received from said content provider; and checking for each localization, said adapted piece of content against said notification rule each time said piece of content is received from said content provider and for each rule previously generated.