eXtremeDB was first released in 2001. It was the first in-memory embedded database system written explicitly for embedded systems. TimesTen, Altibase and Polyhedra were on the market, but none of them could be used in embedded systems. Today, we have more than 20 million run-time copies of eXtremeDB embedded in devices ranging from networking equipment to consumer electronics to industrial control to aerospace/defense. eXtremeDB is also gaining in popularity with the financial markets with applications in high frequency trading, algorithmic trading, matching engines, and risk management.