What year did Valve release Steam, its digital distribution platform?

2003

What edible fungus is considered a delicacy and particularly associated with pigs hunting them down in Europe? What device does Ant-Man use to communicate with insects? Which magazine published Monica and Chandler’s adoption ad? What historical journey westward was marked by encounters, challenges, and survival struggles for settlers in covered wagons? What city had an MLB team named the Browns before relocating to Baltimore?