The photo montage above shows 9 of Time Magazine's 100 most influential people - in no special ranking order:
Zac Efron - American actor and singer.
Top row left to right:
Michelle Obama - wife of U.S. President.
Susilo Bambang Yudhoyono - President of Indonesia.
Penélope Cruz - Spanish actress.
Middle row left to right:
Sarah Palin - Governor of Alaska.
Barack Obama - U.S. President.
M.I.A. - British-born artist and singer.
Bottom row left to right:
Edward Kennedy - U.S. Senator.
Rush Limbaugh - Conservative radio talk-show host.