I still don't agree with leaving everything to the public domain.
While rethinking about it, whatever file you include with your source code, like the Unlicense, would still be considered a license as it would state what kind of authorization other people would have over the code and what they would need to agree to use it.
Leaving the code in the wild is too harsh. As I stated earlier it doesn't give the right impression about how much you care about your work.
If you have the time you can write a license that would gather all your philosophical ideas, a license that doesn't burden company nor the coder.
For example you could create a license without the part about contacting the owner and the copyleft.
You might only want to keep the Reliability part and the advertising part.

Check out [this](http://paste.unixhub.net/index.php/rVBEF)