pbhogan
Browser defaults are ugly and inconsistent. Ordering designers everywhere to not override that is like telling Picasso to paint realistically because some people find his work inaccessible.
Asking designers nicely to make sure they have elegant focus styles is both appealing to their ability and sensibility without insulting their creativity.
Page rendering? Javascript? Download speeds? What?
I'm sure folks struggling with dial up modems will LOVE to hear web pages will now load 60x faster. </sarcasm>
The problem is not beating bots. There are all kinds of ways of achieving that (some fairly effective ones without even requiring user interaction).
The hard one is stopping an outsourced third-world cubicle farm of human spam submitters. Solve that one and you're on to something.
Now some templates, on the other hand, seem to be from another dimension.
The other two are essentially the same just within class or function scope. Of course, they're essentially just global state of a sort, but they sure do come in useful at times.