Cell phones double as electronic wallets – Yahoo! News Mobile banking services, which are also catching on in Kenya and South Africa, enable people who don’t have bank accounts to transfer money easily, quickly and safely. It’s spreading in the developing world because mobile phones are much more common than bank accounts. The system is particularly useful for the 8 million Filipinos — 10 percent of the country’s citizens — who work overseas and send money home, like Dennis’ mother, Anna Tiangco. Previously, she sent money via a bank wire transfer, which costs $2.