Last year, roughly a month before Apple released OS X Mountain Lion, it extended its beta program to certain Apple Retail Store staff members. This year, the company appears to be doing something similar. 9to5Mac reports that retail store staff are again being invited to try the beta of OS X Mavericks. You are invited to participate in the pre-release OS X Mavericks seed program. Participation, including submitting feedback, is completely voluntary and not an expectation of your job. If you accept, we will provide you with a pre-release version of OS X Mavericks to instal