It's a friendly metaphor, not real coffee. Each "coffee" is $5 and you can buy as many you like.
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About rajb
CyberSec Blogs, Youtube Videos
Hey, 👋 I'm a Youtuber, Security researcher, and Programmer.
I'm on the Internet Since 2013 and learnt a lot of things and came to know how things work. You can now buy me a coffee, Beer, Books, Pizza or Anything!