Location Services" Please respond to the following:

Smartphones,PDAs, and software such as Microsoft Office Communicator provide presence and location information of users when they are online, in a meeting, busy, or idle.Decide if the concerns raised by the broadcasting of presence and location information in terms of security, people's movements, tracking of employees,and other privacy issues are valid concerns and explain why or why not.

Traffic jams are sometimes caused by drivers looking for a parking space. This leads to noise and air pollution. One suggested method of easing this problem is the use of wireless sensor networks which can alert drivers when a parking space becomes available. The alerts are delivered to smartphones or street signs. Identify the advantages and disadvantages of using wireless sensor networks to alleviate the problem.