US Patent 9961302 Video conference annotation

In one embodiment a method for chatting during a video conference session is implemented on a computing device and includes: displaying a shared presentation from an ongoing video conference session, detecting selection of at least one target participant from among participants of the video conference session, receiving an outgoing graphical annotation of the shared presentation via user input, and sending the outgoing graphical annotation for display as an overlay on top of the shared presentation to a video conference participant device associated with the target participant.