How they do it: As Hotmail drove a lot of traffic on its website from its email users, it monetized that traffic with ads. These include sponsored articles, as well as display ads. The core product remained free to the user but Hotmail generated revenue from advertisers.
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How they do it: Twitter does not charge its users for accessing its platform or using its mobile apps. Rather, advertisements are shown periodically, and brands may pay Twitter a fee to promote their tweets sl that they appear more prominently throughout users’ newsfeeds.
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How they do it: Brainpool’s video-on-demand platform MySpass is available for free but financed with video advertising (comparable to traditional TV advertising).
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How they do it: SlideShare was acquired by LinkedIn in 2012. It then started to offer advertisers the opportunity to run Content Ads, which enabled them to reach a targeted audience of professionals on LinkedIn.
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How they do it: Facebook is free for private individuals and businesses. The main monetization happens through the possibility for companies for targeted advertising.
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