MacBooks do not have a tracking device but people have used the Back To My Mac connection (part of MobileMe) to track and recover stolen Macs. (See links below)
No they dont
the short answer is yes. you can place a GPS tracking device in PCs and laptops.
Most laptops do not have built-in GPS tracking devices. However, some models may have the option to integrate a GPS module for location tracking purposes, but it is not common in most consumer laptops. Tracking a lost or stolen laptop typically relies on software-based solutions or external tracking devices.
The best laptops would be mac book air mac book mac book pro 13 15 17 hp laptops The worst laptops would be Toshiba
Desktop PCs, Laptops, Netbooks (small laptop), Macintosh (Mac), Tablets, and even phones can be considered 'computers'.
Most new Mac laptops range from $900 to $2000. The average price of a new Mac laptop is currently about $1,500 before tax.
No senor tracking device doesn't cause cancer.
No, all laptops are not installed with tracking software. Some vendors do include tracking software, however, most do not, instead relying on you to find a solution. In that regard, there are many viable solutions from a range of companies.
mac or PC
The cost of a dog tracking device depends on what brand you would like. http://www.gpsdogcollartracking.com/ This is a website for a tracking device that will attach to the dogs collar.
Neither the DSi nor the DSi XL have a tracking device or GPS built in.
http://www.brickhousesecurity.com/category/gps+tracking/vehicle+tracking+devices.do can help you get a tracking device to track any vehicle at any given moment.