Proposition Infinity the method used for "Proposition Infinity", as the team felt that most viewers would not have a strong opinion for or against robot and human intermarriage, thus lightening the potentially polarizing nature of the source material. "Proposition Infinity" was inspired by the political battle over California Proposition 8 in the United States and heavily satirizes the controversy over same-sex marriage. The title is a reference to California Proposition 8 with the "8" sideways, thus becoming the symbol of infinity (∞). The camp where Bender is being reprogrammed parodies conversion therapy camps for homosexuals. The episode also satirizes the people against
Infinity on High inside the top five worldwide in countries including Canada, the United Kingdom and Australia. "Infinity on High" has sold over two million units worldwide, with 1.4 million sales in the US as of February 2013. Five of the album's fourteen songs were released as singles, of which three charted on the "Billboard" Hot 100, led by the single "This Ain't a Scene, It's an Arms Race" at number two. The album was certified Platinum by the Recording Industry Association of America (RIAA) on March 12, one month after its release, for shipments of one million copies. It received generally positive