Malcolm Gladwell is the NY Times bestselling author of Blink: The Power of Thinking Without Thinking, a record of Interscope artist Kenna's experiences in the music industry and required reading in UPENN's Sociology department. With a little help from mtvU, both Gladwell in Kenna were able to drop in a UPENN Sociology class and give students a little personal perspective on their homework. Watch it now, only here.

• Watch the Malcolm Gladwell & Kenna Stand In

Past Stand In Features Read about past Stand Ins by selecting an artist name from the drop-down.

Select An Artist -------- Marian Wright Edelman Dr. Muhammad Yunus President Ellen Johnson-Sirleaf Don Cheadle Annie Lennox President Paul Kagame Sam Brownback Malcolm Gladwell & Kenna malcolm_gladwell_kenna == malcolm_gladwell_kenna, so currentIndex is:7 Mike Judge Jhumpa Lahiri Larry David George Clinton Natalie Portman Madonna Cameron Diaz Bill Gates Melissa Etheridge Shimon Peres John McCain Sting Ashley Judd Elie Wiesel Kareem Abdul-Jabbar Tom Wolfe Russell Simmons Nas & Olu Dara Marilyn Manson Snoop Dogg Jesse Jackson Frank McCourt