It will convert PowerPoint presentations to web pages, and will help you plan your presentation by registering potential attendees, allowing you to conduct polls and surveys. Organizers will receive reports on who attended and how long they stayed. Any participant can add notes or comments on screen. In order to share applications, users have to download a small utility, which then allows them to remotely control a program on someone else's desktop. The free account will let you host a conference room of up to three people.
More users entail a full account to be set up.
CentraNow is a free service that limits you to a 30 minute meeting with a megabyte of content and five participants. Presenters, can, however, switch control of the presentation itself, discussion screen, or survey window to any participant. Respecting those with slower connections, it will convert PowerPoint slides into one small .GIF file for viewing and a separate one for markups. There is also a polling feature which lets presenters build queries, the results of which can be viewed in different ways. MyPlaceWare works as a series of slides that can accommodate PowerPoint content, polls, text, or streaming media.