Apple just recently launched its 10.10.3 Public Beta for Mac OS X Yosemite, and while it comes with mostly bug fixes for 10.10.2, it also includes a brand new Photos application that's meant to replace iPhoto and Aperture, as well as the inclusion of more diverse emojis. If you're not familiar with the OS X Public Beta program, anyone with a Mac computer can join. First click here to sign up with your Apple ID and enroll your Mac to receive Beta updates. Shortly thereafter, you'll get an upda...
