This tumblr is mashing up two awesome things, famous rappers and the cereal aisle. They've been operating in obscurity for a year, so they have an ample archive
Jay Z just spent 6 hours lip-synching to his just released album, "Magna Carta Holy Grail". The endeavor was undertaken at the Pace Gallery in NYC under the pretenses of it being performance art. Click on the attribution link to check out some of the Vines produced from this 6 hour pantomime.