You dat. & obj. : The pronoun of the second person, in the nominative, dative, and objective case, indicating the person or persons addressed. See the Note under Ye.

Example:
What do You think in Your mind when You see a highly attractive person?

Taxonomy
youtube, sesamestreet, Quicklist, twitter, Pink, customize, Alcohol, Bodybuilding, PSAs, Music, how to, Lady, Comedy, CHICK, video phone, Being Watched, Factor, Ethan.

Defination from the web:
... This week, Nobel Prizes will be awarded in a variety of categories, and for the first time you can follow the proceedings live on YouTube. ...