1, you can know in which place you spend, the specific consumption of what, people do not need to know

2, and usually do not manually verify how much you spend and property. Unless you owe money

Big data (bigdata), or huge amount of information, refers to the amount of information involved is so large that it can not be through the mainstream software tools, in a reasonable time to achieve the capture, management, processing, and organizing the information to help business decision-making for more positive purposes.