1. Synchronous tools Allow for real time communication and collaboration regardless ofplace Responses are immediate Collaboration is more interactive Can be difficult to co ordinate different time zones and schedules Synchronous tools Video conferencing Audio conferencing Chat Instant messaging Web conferencing 2. Asynchronous tools Allow for time delayed communication and collaborationregardless of place Delay in responses Information can be accessed at a time convenient toparticipants Information can be digested and put into context Asynchronous tools Narrated slideshows Email Blogs 3. References http://www.asaecenter.org/Resources/articledetail.cfm?itemnumber=13572 http://academictech.doit.wisc.edu/ideas/otr/communication/asynchronous-synchronous