Using its data crunching capacity, Facebook estimated that 2.7 million Facebook users changed their profile picture to a red equalitysign in support of the proposition being argued before the Supreme Court - that government bans on gay marriage deprive our gay brothers of sisters of equal protection under the law.
Earlier this week, Pinknews.co.uk reported that students at St Philomena's Catholic High School for Girls in Carshalton were "encouraged" to sign the "anti-equality pledge" by the school's headmistress.
Takei, a noted punster with nearly 4 million followers in Facebook, turned the equal sign into the division sign for those opposed to marriage equality.
The Human Rights Campaign, an advocacy group, asked Facebook and Twitter users to change their public profile images to a red equals sign, in support of marriage equality.