What are companies doing with D-Wave’s quantum hardware?

[Kent Sharkey]

Ars Technica[^]:

D-Wave's computers are especially good at solving optimization problems.

Besides spending a lot of money

[Nelek]

How are we suppose to know if everytime we look it changes?

M.D.V. ;) If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about? Help me to understand what I'm saying, and I'll explain it better to you Rating helpful answers is nice, but saying thanks can be even nicer.