Podium Audio, an online publishing company based in Los Angeles, has bought book sales data company Bookstat. The Bookstat data covers all online sales regardless of format. The company was founded in 2017 by Paul Abbassi who will now expand its real-time data capability. The two companies have been collaborating over the last three years. Podium Audio has a library of over 3,000 titles and champions independent storytelling in audio format with particular emphasis on the sci-fi and fantasy market sectors. Terms not disclosed.