Are you storing your files in the cloud? If you are, which cloud storage service are you using? Storing files in the cloud is convenient, but it means you want fast and reliable access to your information at any given time. And if the service is unavailable or your Internet connection is messing up you are in a pickle.

Last year we investigated the reliability and performance of four popular cloud storage services: Box, Dropbox, Google Drive, and SkyDrive. We repeated the same study a year later. Read on to find out what the situation is like in 2013.