Facebook adds over €15 billion to the European Economy, its a household name, and phrases coined by the site are recognizable across the world. So why not use this tool as a market weapon? As the site reads 'It's free and always will be', its giving itself away, and all you need to do is create a username and password and start connecting.
Video blogging such as sites like YouTube allow a new dimension in marketing. You can add a video demo of new software (ahem.. check out http://www.youtube.com/user/ExplosiveLS). Or to link relevant exhibition and seminars videos to other team members on a project.
Skype in this global business world we live and work in, any form of communication is necessary. Video conferencing is the way to go if colleagues are the other side of the world.