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.
You will probably have a hard time believing this cardboard T-Rex isn't moving its head while it appears it's constantly tracking and looking back at you.
If you know how to sing or hum a song, but don't know the title or the artist performing it, you can use a midomi website which will help you find the the song.
