A new red Square mobile card reader is available to merchants who want to encourage donations to the Global Fund to fight AIDS.

The Squa(red) reader, which bears (Product)Red branding, is available in the Square Market online marketplace for a $10 donation, with 97.25% of the price going to the global fund.

In addition, consumers who make purchases from a merchant using the Red card reader will receive a message on their receipt encouraging donations to the fund.

(Product)Red represents organizations and donors supporting the Global Fund to fight AIDS in Africa.

Red was founded in 2006 by U2 frontman Bono and Bobby Shriver to get businesses and people involved in the fight against AIDS. Numerous retailers and financial institutions have supported the campaign, including Starbucks and Apple.

For each swipe of a payment card through a Squa(red) card reader, the donation provided can provide more than 24 days of life-saving medicine for someone living with HIV, the Square Market site states.

Charitable causes are often seen as enablers of new payments technology.

Believe.in,  a U.K. company, provides technology for accepting donations online through software from payment processor Stripe.

Bitcoin is becoming a currency of choice for some to make donations because of its speed and near-anonymous transactions.

In addition, mobile payments made through text messages have become popular for those seeking to help during national disasters, such as last summer's Oklahoma City tornado.

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