After an exhaustive search, ShowClix is packing its bags and moving Downtown. The online ticketing firm has been in 3,500 square feet on Walnut Street in Shadyside, but the company’s tremendous growth (it went from 17 people last summer to a current count of 32) has them overflowing. The new office will be more than 12,000 square feet, or the entire 13th floor, of Centre City Tower on Smithfield Street, said ShowClix President Lynsie Campbell in an email. With the added leg room, the company is also ramping up its hiring, with more than 20 positions immediately available in engineering, creative, sales and marketing...