What a stupid question you are asking...If you are dead then you will know about roommates who are looking for roommates.....Lame....WEML.....What Ever Matter Loser.....
No
Go to http://www.apartmentreviews.net/ratings/illinois/chicago.htm to find a good roommate.
Here is the link to see the commercial on Youtube: http://www.youtube.com/watch?v=Z6MNvg40x3g
there is no real differencedepends how you use them in a sentence that's all