The volume of data processed in 2014 was approximately 6 zettabytes, which is equivalent to 6,000,000,000,000,000,000,000 bytes. While Al Rajhi Bank is the largest Islamic bank by assets at $82 billion, it is dwarfed by the world's largest bank, Industrial and Commercial Bank of China, which has $3.6 trillion in assets. There is significant opportunity for growth of Islamic banks in emerging markets where banking penetration is low but mobile penetration is high, such as Bangladesh, Indonesia, and Pakistan. Mobile financial services can help Islamic banks stay competitive by providing convenient access to banking services.