PastBlast takes you back in time through out the first 75 years of radio. This iPad app was a collaboration with Streamline Publishing and was based on their best-selling book Blast From The Past: The First 75 Years of Radio. View 100′s of rare radio photos that date from the 20′s – the 90′s. Also included was a bank of streaming audio including an intro and narration recorded by Kasey Casem.