Wikipedia contains age calculation templates that self-update every day to keep date and age information current. These are very useful for a dynamic online encyclopedia and save users from having to regularly update that kind of information.
Many articles including biography articles contain infoboxes which use these age and date templates.
This user prefers using userboxes to fill up their user page instead of actually writing something useful.
This user is aware of how silly this huge table looks on their user page, but acknowledges that its real purpose is twofold: statistics and standardization.
-xen
This user believes that userbox should always be pluralised userboxen, and thinks that this is one of the most important and exciting issues of our time.
This user will move to a GSV at the first opportunity.
their there they're
This user thinks that there are too many people who don’t know that they're worse than their own children at spelling!
your you're
This user thinks that if your grammar is incorrect, then you're in need of help.
its & it's
This user thinks ohh, if you want it to be possessive, it's just i-t-s, but if it's supposed to be a contraction, then it's i-t-apostrophe-s... Scalawag.