How do you communicate to parents about their childs day?

At pickup do you stand and talk about what activities might have been done, what their child ate, how long they slept, etc?
Do you send a journal/report card of some sort home on a daily basis explaining everything?
Do you give a monthly newsletter explaining activities/themes/meals/etc at the beginning of the month and leave it at that?
Do your parents even ask? Or do you even offer any information?

If you do give parents info, what exactly are you telling them??