If you are like myself, you probably jumped on the Google Drive service as soon as it became available. The 5 free gigabytes of storage space is adequate and the integration with some of Google's other tools made it even better especially for an aspiring freelance designer and photographer.
Up until recently, I hadn't had any issue with the service with exception to not being able to serve up .html docs as a mini server like Dropbox. The real problem did rear its ugly head a month ago, however. I took note and let it ride as maybe just something weird and never thought about again until yesterday when it happened again.
The problem lies in file permission differences between a Windows system and the Mac OS X system. I discovered that after saving files on my iMac into the Google Drive folder, the once Windows files have permissions changed. Suddenly, .html docs were not available for view on the remote server. Their permissions denied access.
I use my Google Drive folder as a working area for my online projects at work contained on a Dell laptop. This allows me to allways have up-to-date files on my work computer or home computer in case I need to work remotely.
Dropbox used to fill this need when I used only a Macbook Pro at work and the iMac at home. I discovered it had syncing issues when I added the Dell Windows 7 machine, however. Newer files one the Dell were being overwritten by older files on the server and the result was many lost changes made to files that ended in frustration. I finally dropped Dropbox... pun intended ;)
I have one other cloud storage service I am using called SugarSync. It was one of the first to offer 5 gigabytes of free storage. So far, not much I can really complain about either. It is different in the available syncing options vs. the other guys. I may switch my current work folder to it but I would have to switch about 5 gigs of misc. resource files to another service so not sure about that change.