Hi,
Dropbox (www.dropbox.com) is a free cloud service (2GB free) which has a sync client.
Sometimes it can be interesting to finde out whether Dropbox is sychronising or is idle - eg when shutting down the system.
Of course all data should be in the cloud before really shutting down - perhaps you (your script) like to decide to wait until Dropbox is up to date. This is just one possibity to use the folowing code.
A solution to read the status is sniffing the dropdoxes data pipe. A python