Communication via social networks - twitter, facebook etc. - where only authorized users will be able to read.

I haven't got my head around this resource and its full potential within the learning environment but, being able to communicate via social networks with a degree of privacy, has to be attractive.

How does it work:

1. Type your text (or copy-paste)

2. Set user name/password pair for the note

3. Get the software generated short link for the note

4. Send the link (...

pdfs are one of the most popular document formats as, regardless of platform (apple, windows, lynux etc.), they can be accessed using free pdf readers.

However securing pdfs is not that easy. Learning providers (especially smaller ones), practitioners and learners alike, won't want to purchase the relatively expensive Adobe Acrobat software just to encrypt their documents; so this is where PDFProtect comes in.

PDFProtect is a free online tool that lets users easily password protect PDF...

Ontext, a Russian online tool, is intended to provide a communication channel for rapid publication of textual materials onto the Web.

Why use Ontext?

• Publish text to the Web quickly;
  

• To overcome the limitation of Twitter and other similar communication channels;
  

• Save text on the Web by hiding it with a password;

• Run a simple text blog/reflection journal with an RSS-channel;

• Get access to stored data from anywhere on the Internet or via a mobile phone

To use Ontext...

Using mozaiq practitioners and learners can hide secret, encrypted messages inside an image that will be invisible to the naked eye and undetectable to everything but careful mathematical analysis.

Even if detected, the message will be...

• stored encrypted using a password of your choice;
• all but impossible to read!

Hiding a message like this is known as steganography; part art form, part science and many different methods to do it. The Wikipedia article on steganography provid...

Relive one of its most-enduring pop culture elements of the classic TV show "Mission: Impossible". What worries me is the large number of you who have no idea what I'm talking about!

Named "This Message Will Self Destruct", this website empowers users to send out an eMail messages that will be deleted upon being delivered and read just once by the recipient.

Further safety is ensured by the fact that...

• messages are actually encrypted before they are sent; and
• messages can be prot...