They began shopping around for a company to help them. They knew the Infocom people from their MIT days, and they talked to Blank, Berez, and Vezza about working with Infocom to make such a database. "These guys claimed that they were always interested [of doing that kind of software, databases]. Games were a way of kicking off the company…They felt games were a jumping off point." [Richard Ilson, Interview]
Both sides felt there was a natural fit. For Berkowitz and Ilson, Infocom had many connections to distributors and proven success in publishing software. For Blank, Berez, and Vezza, this was a chance for Infocom to do something more than making games and create the next "killer app."
Soon after (in 1982), Brian Berkowitz and Richard Ilson, joined Infocom to develop some sort of database software. This is how Cornerstone was born.