Edison Effect: Somerville, NY-based Edison Research has been acquired by Glen Mills, PA-based market and survey research firm SSRS. Edison co-founder/Pres. Larry Rosin and co-founder/EVP Joe Lenski will join the SSRS leadership team. Edison is known for its Share of Ear and The Infinite Dial surveys of digital audio, social media, podcasting, smart speakers and other media-related technologies.