Everything is a reference! Nice!

Not really if you car about efficiency.

The opposite is true. In Perl 5 passing a hash to a function requires mallocing a new shallow copy of that hash. In Perl 6 this would be the equivalent of passing a reference to the hash, which would only require mallocing a scalar.

what's the target users for this machine?

Maybe you can advice about neurosurgery, and in return get what you want. I like about these is that it avoid taxes, and that's always a plus.

In the US this is incorrect, it's classified as barter income: http://www.irs.gov/taxtopics/tc420.html

"An example of bartering is a plumber exchanging plumbing services for the dental services of a dentist. You must include in gross income in the year of receipt the fair market value of goods or services received from bartering."

You're expected to pay tax on the value of barter in many places. Not sure about the US but in Canada you are.

Not that anyone does, but if the CRA comes knocking you could be in trouble. :)

This is a good idea, now you have to post in the HN of designers and marketers

Link please (haven't been to this HN-like site you describe, but sounds interesting).

There's a Designer News: https://www.designernews.co/

There's also a handy mashup site with HN, ProductHunt, and DN all on one page: http://thenews.im