Read their financial statements. They have 35 million in assets, less than 1 million in liabilities and no convertible notes. Also study the technology they control, go to www.umbraappliedtechnologies.com. Read all of the DD Blue has posted. The DD here is deep.
I have dozens of socks and the technology that was said to work has worked for me. The socks work as said. It's a start I bought products, delivery is very prompt. The OTC try that....uatg.