So the other day I wrote that my MacBook seemed to run a little slower and use more memory. What's strange is now that I've been using it, it's actually running noticeably faster. It still takes up more memory, but not that much more. It's like Yosemite has breathed new life into my aging companion. There is probably something I can do about the memory, too. What my Mac really needs is more space on the hard drive. I have some serious cleaning to do.