The Big One: This week Karis, Jim and Will talks Groupon's impact on Chicago tech, particularly given Groupon just bought its long-time daily deals rival, Washington DC-based Living Social.The Big One: Karis talked with Rosalee Wolfe, a professor at the DePaul school of computing and the team lead for the American Sign Language Avatar Project, essentially a Google Translate for the deaf.The Fun One: While in Houston covering the Grace Hopper Celebration of Women in Computing, Karis caught up with Karen Nowicki, director of engineering at kCura, about her career in engineering and experience competing and coaching Olympic-style air rifle.