This dedicated community of middle-aged men LOVES washing clothes. "Founded in 1984, the group now has 3,000 members from around the world. Members gather several times a year for what they call "wash-ins." Some even travel from as far away as Russia or Canada."
The Washing Machine That Ate My Sari: Mistakes in Cross-Cultural Design is a fascinating article about making cross-culturally sensitive products for the Indian market. The title refers to how the Whirlpool company's introduction of the World Washer into India proved to be a financial disaster, because a millimeter gap between the washer's agitator and its drum ended up shredding most traditional Indian clothing. You can also read about how the Indian preference for warm milk at breakfast turned Kellogg's corn flakes into a big flop in India.