Microsoft was willing to reduce to 6 months duration of retention of personal data, and adhering to the recommendations of the Working Party on data protection (also known as G29), published last April by the European equivalent of the CNIL ( National Commission on Information and Freedoms). The committee also anonymous data.
John Vassallo, Microsoft adviser for European affairs, has indicated that they would go up to six months when others do so, arguing with AFP that only 2% market share in Europe, the effects would be limited if they were the only ones to change their behavior.
These data, with particular habits and recurring Internet searches, allow indeed publishers of online services and search engines to improve results also friends (and especially) to target their advertising and attract advertisers . Google had made a start in September by lowering the shelf life of such data to 9 months, against 18 months earlier, explaining that they allow, among other things, to ensure the safety of users (by detecting the perpetrators phishing and other frauds, for example). Yahoo, so far silent on these European recommendations, meanwhile retain such data 13 months.
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