"In Cyberspace, nobody knows your race unless you tell them. Do you tell?" Several years ago, I put this slogan on a poster advertising an MIT-hosted public forum about race and digital space. The resulting controversy was an eyeopener.

Like many white liberals, I had viewed the absence of explicit racial markers in cyberspace with some optimism-seeing the emerging "virtual communities" as perhaps our best hope ever of achieving a truly color-blind society.

But many of the forum's minority participants-both panelists and audience members-didn't experience cyberspace as a place where nobody cared about race. Often, they'd found that people simply assumed all participants in an online discussion were white unless they identified themselves otherwise. One Asian American talked of having a white online acquaintance e-mail him a racist joke, which he would never have sent if he had known the recipient's race. Perhaps covering up for his own embarrassment, the white acquaintance had accused the Asian-American man of "trying to pass as white." Even when more than one minority was present in a chat room, the forum participants said, they didn't recognize each other as such, leaving each feeling stranded in a segregated neighborhood. If they sought to correct ignorant misperceptions in online discussions, they were accused of "bringing race into the conversation." Such missteps were usually not the product of overt racism. Rather, they reflected the white participants' obliviousness about operating in a multiracial context.