Whiteboarding is the placement of shared files on an on-screen shared notebook or whiteboard. Videoconferencing

Videoconferencing

Videoconferencing is the conduct of a videoconference by a set of telecommunication technologies which allow two or more locations to interact via two-way video and audio transmissions simultaneously...

 and data conferencing

Data conferencing

Data conferencing refers to a communication session among two or more participants sharing computer data in real time. Interaction and presentation devices such as a screen, keyboard, mouse, camera, etc. can be shared or be able to control each other computer...

 software often lets the user annotate the shared documents as on a physical whiteboard

Whiteboard

A whiteboard is a name for any glossy, usually white surface for nonpermanent markings. Whiteboards are analogous to chalkboards, allowing rapid marking and erasing of markings on their surface...

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With this type of software, several people can work on the image at the same time, each seeing changes the others make in near-real time.

Electronic whiteboarding was included at least as early as 1996 in the CoolTalk

CoolTalk

CoolTalk was an Internet telephony tool included as a plugin in Netscape Navigator 3.0, released in 1996. It included an answering machine and a shared whiteboard....

 tool in Netscape Navigator

Netscape Navigator

Netscape Navigator was a proprietary web browser that was popular in the 1990s. It was the flagship product of the Netscape Communications Corporation and the dominant web browser in terms of usage share, although by 2002 its usage had almost disappeared...

3.0.