TwitchCon, for one, is an annual convention held by Twitch, a live streaming video platform owned by Amazon. The event typically includes panels, tournaments, meet-and-greets, and other activities related to the streaming platform. The crossword solution for this term is EXPO, which stands for exposition or exhibition. This is an appropriate answer as TwitchCon is an EXPO that showcases the latest in streaming technology and provides a platform for streamers to connect with their fans.