To ensure the authenticity of a document you have to sign the document with the certificate. I will show you how you can easily sign PDF document with the help of simple tool DigiSigner.
Let Google, with the help of their secret X Lab explain in a fun way, that even the non-science savy people shouldn't experience difficulties understanding the basics behind Quantum Computing and A.I.
Do you want to buy new mobile phone and you don't know which one? I will show you the way, how to compare phones which will lead to an easier decision.
