President Obama Holds Twitter Town Hall Meeting

WASHINGTON - JULY 6: Twitter co-founder and Executive Chairman Jack Dorsey listens while President Barack Obama speaks during an online Twitter town hall meeting from the East Room of the White House July 6, 2011 in Washington, DC. Obama and Twitter co-founder and Executive Chairman Jack Dorsey held the online discussion to speak about the U.S .debt ceiling crisis. (Photo by Brendan Smialowski/Getty Images)

President Obama Holds Twitter Town Hall Meeting

WASHINGTON - JULY 6: Obama speaks during an online Twitter town hall meeting from the East Room of the White House July 6, 2011 in Washington, DC. Obama and Twitter co-founder and Executive Chairman Jack Dorsey held the online discussion to speak about the U.S .debt ceiling crisis. (Photo by Brendan Smialowski/Getty Images)

President Obama Holds Twitter Town Hall Meeting

WASHINGTON - JULY 6: Twitter co-founder and Executive Chairman Jack Dorsey listens while President Barack Obama speaks during an online Twitter town hall meeting from the East Room of the White House July 6, 2011 in Washington, DC. Obama and Twitter co-founder and Executive Chairman Jack Dorsey held the online discussion to speak about the U.S .debt ceiling crisis. (Photo by Brendan Smialowski/Getty Images)

President Obama Holds Twitter Town Hall Meeting

WASHINGTON - JULY 6: Twitter co-founder and Executive Chairman Jack Dorsey and President Barack Obama read a Tweet from Speaker of the House John Boehner (R-OH) during an online Twitter town hall meeting from the East Room of the White House July 6, 2011 in Washington, DC. Obama and Twitter co-founder and Executive Chairman Jack Dorsey held the online discussion to speak about the U.S .debt ceiling crisis. (Photo by Brendan Smialowski/Getty Images)

President Obama Holds Twitter Town Hall Meeting

WASHINGTON - JULY 6: Twitter co-founder and Executive Chairman Jack Dorsey (L) and U.S. President Barack Obama read a Tweet during an online Twitter town hall meeting from the East Room of the White House July 6, 2011 in Washington, DC. Obama and Twitter co-founder and Executive Chairman Jack Dorsey held the online discussion to speak about the U.S .debt ceiling crisis. (Photo by Brendan Smialowski/Getty Images)

President Obama Holds Twitter Town Hall Meeting

WASHINGTON - JULY 6: U.S. President Barack Obama posts a Tweet during an online Twitter town hall meeting from the East Room of the White House July 6, 2011 in Washington, DC. Obama and Twitter co-founder and Executive Chairman Jack Dorsey held the online discussion to speak about the U.S .debt ceiling crisis. (Photo by Brendan Smialowski/Getty Images)