 PAIX was later acquired by Equinix in Equnix's October, 2009 acquisition of Switch and Data.In June 1998, Adelson and Avery left Digital Equipment Corp and founded Equinix, Inc. (briefly Quark Communications).Adelson served as Founder and Chief Technology Officer, responsible for the invention, design and construction of Equinix's datacenters and Internet Exchange Points (known by Equinix as Internet Business Exchanges).