Open source intelligence investigation of Skype

Skype is one of the most popular and easy-to-use communication tools, connecting people from all over the world. Skype was launched in 2003. The software supports video conferencing, voice calls and instant messaging. Additionally, users can use Skype to send large files up to 300 MB. Skype downloads allow users to purchase additional subscriptions to call mobiles and landlines.

Here is a flow chart of Skype accounts for open source intelligence investigation. It will help your thinking of Skype's open source intelligence investigation clearer.