how to make the contents of a file disappear...

[M.R.]

On 11/09/10 09:45, Chris Jeffries wrote:
> How about distributing as a SWF file.
>
> Its ActionScript could make a call to a server and not show the picture
> if it does not reach the server, or if the date is passed.
>
...
> Added advantage, you could keep track of each view of the file if you
> wanted.
>
> Disadvantage, the person viewing would need a live internet link in
> order to see it.

And, after you went through all the trouble, all the the viewer has to
do is capture the screen into an image file...

Once you've given someone some data to use on *his* computer once, you
can not prevent him from using it again.

Marko R.