Kevin Spacey
explains Twitter to David Letterman. Pretty funny. Especially enjoyable: remarks on "Twitter etiquette", which actually applies to the whole of the Internet. Infi's choice of best reply to one of several episodes of Spacey telling the text etiquette (in this case, spelling) police to get over themselves:
QUOTE
jonesyb@KevinSpacey ןןɐ ɯǝɥʇ ɟo ʇsɹoʍ ǝɥʇ ɹɐɟ ʎq ǝɹ,ʎǝɥʇ ¿ǝɔıןod sɹǝʇʇǝן ʇuoɹɟ oʇ ʞɔɐq puɐ uʍop ǝpısdn ǝɥʇ ʇnoqɐ ʇɐɥʍ