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.
Cool thing about Google Drive is you can access all your documents from anywhere and you can actually upload a Microsoft PowerPoint presentation which automatically turns into Google Drive Slide.
By default the command line outputs are displayed onto a screen, but you can easily redirect into a text file or even make it to be used as an input for the following command.
When you send an email to multiple people, those people can see who else got that email. But if you don't want certain email addresses to be visible to others, this is how you do it in Outlook 2010 in secrecy.
According to the latest research we still don't know everything about our anatomy. There are still a few unknown facts how our body functions. Find out what do you know about yourself.