<div class="next"> <ul> <li>[[Browsing the web with <span class="application">Tor Browser</span>|doc/anonymous_internet/Tor_browser]]</li> </ul> </div>
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This second synchronization is made by sending HTTPS queries through Tor to several websites and deducing a correct time from their answers. You can see the list of websites that Tails can connect to in *[[!tails_gitweb config/chroot_local-includes/etc/default/htpdate.pools desc="/etc/default/htpdate.pools"]]*.
You can install `youtube-dl` as [[Additional Software|doc/persistent_storage/additional_software]]. *youtube-dl* allows downloading videos from more than [700 websites](https://github.com/rg3/youtube-dl/blob/master/docs/supportedsites.md).