The first is most likely going to give you some automata theory for computers but unless you're going into theoretical research, the second is the obvious answer.
Wow, this is about as far from the truth as I can imagine. Although someone in another comment mentions the travelling salesman problem, there are at least dozens of other incredibly important problems in graph theory and combinatorics that are worth millions of dollars to companies you may have heard of (e.g., Google, IBM, etc.). Hypergraph partitioning (for VLSI placement and boolean satisfiability) is one; constraint-based reasoning is another.
Vectors and differentials are likely to come up in graphics, so I won't purport that they are less important than discrete math. But, to assert that one of these is hands-down more useful than the other is nonsense.
... [Democrats] use race as one of their election platforms."
That's quite a claim. Can you back up your claim with any substantial evidence? I don't recall Obama EVER saying that you should vote for him because of his race.
I do, however, know of scads of republicans who think Obama should be cast out of office for being "not of this country.". THAT, sir, is racism.
Free Account: 10MB email, IMAP
So, I've already lost interest. FastMail.fm does not have the capacity to handle 4 of the past 10 e-mails I've received today, unless I give them my credit card.
With regards to uptime, I concede that GMail had some issues a few weeks ago. But, look - Google is good at one thing, and that's redundancy. It's build into everything they do. With greater volume comes greater visibility and responsibility, and I'm honestly not sure I'm willing to trust "FastMail.fm" with my precious data. (What is this "fm" extension anyway? It's not that I care, it's that millions of other people do - and that's the problem).
Regrettably, this particular application of the concept is (IMHO) flawed. It is hard to argue that humans are more adept than machines for solving a problem like SAT (at least manually) and as many have pointed out, the dimensionality of the space is too grand for a suitable visualization.
In the space of VLSI design, higher-level problems grounded in physical space (such as macro floorplanning and large-block placement) would be much more amenable to this type of game.
He who has but four and spends five has no need for a wallet.
