[ Cloudability founders Jon Frisby, Mat Ellis and J.R. Storment at the TechStars Cloud office in San Antonio. Photo courtesy of Cloudability. ] From startups to Fortune 500 behemoths, everybody is using cloud-based services like Google Apps and Dropbox, Amazon Web Services and Rackspace. But does any organization actually know how much it spends on the cloud across the board (since employees often sign up for services and expense them) and how to keep costs under control? Manually entering data into a spreadsheet is one less-than-attractive option for avoiding a "who forgot to turn off the extra servers before the weekend" situation.