Bittorrent Sync = Securely and easily share files, backup files over the internet

This tutorial teaches you how to safely, securely and easily transfer files from one person to other people. You can either distribute files to other people or have a shared network that updates everyone's folders when one person has updated. Perfect for distributing backups securely and sharing files with friends without having people spying on your transmissions so that you maintain the integrity of your security while your files transit your networks and internet connections.

Create truly secure TeamSpeak channels for specific people or let certain admins access all channels

This tutorial shows you how to create truly secure TeamSpeak 3 channels in a way that only specific people you want to enter them can ever join them. Also it shows you how to make a special server group capable of entering all channels.

This technique is more advanced than simply adding a join power requirement on a channel, but is explained and demonstrated fully.