https://www.oit.va.gov/Services/TRM/ToolPage.aspx?tid=8299&tab=2
Poll Everywhere (PollEv) Presenter App for PowerPoint
VA Technical Reference Model Home Page
poll everywherepresenter apppowerpoint
https://campustechnology.com/articles/2011/09/15/joinme-adds-presenter-swap-desktop-app.aspx
Join.me Adds Presenter Swap, Desktop App -- Campus Technology
LogMeIn has updated its screen sharing service, join.me, with new collaborative features and a new desktop app.
join medesktop appaddspresenterswap