OK this is a true dialogue:
- I have deleted one video file off my hard drive and i need to recover it.
- OK. Can you tell me what type of video it is?
- Ermmm... It is from my son's birth.
- No, i mean what file type
- I don't know.
- OK. How did you shoot the video?
- With my camera.
- I mean what kind of camera.
- It's a digital camera.
-

What brand?
- I don't know. A Sony?
- OK. How did you delete the video?
- I don't know.
- Where was it stored before it got deleted?
- I don't know.
- How large was the video then?
- 15 minutes I think. Wait, maybe 30.
- I mean in file size. Any idea?
- I don't know.
- I see your drive has two partitions. In which one was the file in question?
- Maybe in C. Otherwise in D.
-

How much time ago was this file deleted?
- I don't know. Could be 2 months, could be three months or more. Last time I looked for it was 2 months ago.
- And you didn't find it.
- No. I looked everywhere.
- And what did you do since then?
- Nothing.
- Did you work with your computer all this time?
- Yes, of course.
- Why didn't you bring the hard drive at this time? Chances would be bigger. Now, after two months a lot of things have happened to your drive, therefore chances are slim
- Nothing happened to the drive since then.
- I mean...
- Listen, if you can't help, just tell me to seek some other pro's assistance...
(TRUE story).