Challenges and Obstacles Remain for Virtual Reference Services
Virtual Reference in the Age of Pop-Up Blockers, Firewalls, and Service Pack 2, by Pascal Lupien.
“There is a virtual minefield of technology obstacles when implementing virtual reference. Many VR software programs do not work well with certain browsers and operating systemsor with slower Internet connections. This is particularly true of co-browsing, one of the most important value-added features that VR software offers over instant messaging (IM).”