<info-source>[Ex-Mozilla Engineer: Don't use third-party antivirus software (Neowin.net, 2017)](https://www.neowin.net/news/ex-mozilla-engineer-dont-use-third-party-antivirus-software)</info-source>
## Aktualizowanie oprogramowania
<info-source>[Dlaczego ważne jest aktualizowanie systemu i oprogramowania (Dziennik Internautów, 2011)](http://di.com.pl/dlaczego-wazne-jest-aktualizowanie-systemu-i-oprogramowania-37559)</info-source>
<image-source>[Photo by The Verge](http://www.theverge.com/2016/7/19/12201086/facebook-prineville-data-center-oregon-ai-photo-essay)</image-source>
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## "Darmowe" usługi
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# Metadane, Big Data
## Co nasze lajki mówią o nas?
<info-source>[Jennifer Golbeck: Your social media "likes" expose more than you think (TED.com, 2013)](https://www.ted.com/talks/jennifer_golbeck_the_curly_fry_conundrum_why_social_media_likes_say_more_than_you_might_think)
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<image-source>[Photo CC BY Andy Nguyen](https://www.flickr.com/photos/bigburpsx3/4524086636)</image-source>
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## Zaszyte w danych sekrety
<info-source>[The Incredible Story Of How Target Exposed A Teen Girl's Pregnancy (businessinsider.com, 2012)](http://www.businessinsider.com/the-incredible-story-of-how-target-exposed-a-teen-girls-pregnancy-2012-2?IR=T)</info-source>