What is the benefit of developing the application as a windows service?

Question

I am going to develop an application which will process online data (comming through socket) and it does not need any user interaction.

I am thinking of a simple con

Answer 1

1. You can manage a service from another machine (start/stop)
2. As services write to the event log you can also monitor the service from another machine (although nothing stops you from doing this from a regular application)
3. No one has to be logged on for the service to run