No way. If you only look occasionally you have no chance to normalize all the crazy stuff in the previous 12 hours and it all hits you at the same time.
The news don't get any less crazy if you don't look for a while. That recommendation was for the time when 24 hours news had to make shit up to fill their time.
The NT kernel was all built to emulate object orientation (read Smalltalk, not C++) style message passing. That's because it was the 90s, and it's the new technology kernel.
So yeah, expect everything to have more flexibility sending data around, and no standardization at all so you can't have any generic functionality.
Are you afraid your browser will send an email there instead of browsing?
Anyway, I'm firmly on the team that thinks if you are making a site, you should redirect the www into your address. No point in leaving the few users that write it by hand lost. But there isn't a good reason to put complicate your address with it either.
Well, round numbers will indeed make the math easier.