Improved Security
Video cameras linked to the internet have many uses over and above conferencing. Provided of course that you have a broadband connection, you can also use them to improve security.
Businesses use video security systems to monitor visitors or employees, to trigger alerts in case of fire or other potential dangers, and to keep an eye on sites and buildings. With digital video and the internet, this can all be done remotely.
Alarms aren't only triggered by video. Temperature or motion sensitive triggers can also alert the right people over the internet. Introducing mobile phone technology means that these same systems can also be used in remote spots with no internet connection as well.