I know a lot of people who do not care for wearing a helmet when on a bike for a common reason of looking silly or it will mess up their hair. This amazing invisible helmet could be quite revolutionary.
If you are on a certain data plan on your mobile provider, and don't want to exceed it, you can set data usage warning and a limit which can help you save some of your money.
Mountain Lion enables you to set notification alerts to remind you of upcoming birthdays, tasks, meetings and other important events you might have in your calendar.
You certainly don't see these kind of images every day, from tick close up, x-ray of a bat, to a high-tech micrograph of a zebrafish embryo. Check out some of the best images of the year.
If you are the kind of person you want to read what has been changed before updating an app you can disable the auto app update setting. Or enable if you want updates fully automated.