Monoclonal Gammopathy of Undetermined Significance - its an abornmality in the plasma. It can lead to multiple myeloma (cancer of the plasma cells) and some types of lymphoma (cancer of the lymphatic system).
It was discovered when I was sick after my first
Disney cruise. The doctor did a blood test and the abnormality showed up leading to many, many blood tests and extreme paranoia.
Paypal is now available for any online company to use which means that a small business like mine can take credit cards without paying the ridiculous fees charged by the banks and having all the excess paperwork and regulations. So, it will be used in all kinds of ways.
We've been having DD choose toys that she's outgrown and whatever isn't needed by the school or neighbors she cleans, sells and puts the money in the bank or gets to buy something new. She's really into understanding money, fashion, and having her own business (she knows that mom and dad are entrepreneurs.) The school she is going to next year has all the 3rd graders start their own business and run it for the year. Then they present their business to the other classes. They teach fiscal responsibility at a young age especially to empower female independence.