SirsiDynix includes modest upgrades to the Horizon platform in our product roadmap and focuses additional resources on ensuring that our Medley Products — products that integrate with both Horizon and Symphony — provide exciting new options for end user discovery and staff efficiencies for all Horizon customers Horizon customers planning an upgrade to Symphony receive expert support from SirsiDynix staff familiar with both Horizon and Symphony and can learn more about upgrade options by contacting their SirsiDynix representative Library technology, as provided by SirsiDynix, is divided into three main categories: integrated library systems, patron discovery tools and productivity enhancements