Measuring time by the Sun, the Moon and the Stars. As the sun moves across the sky, shadows change in direction and length, so a simple sundial can measure the length of a day. It was quickly noticed that the length of the day varies at different times of the year.
PhoneClean is a software thatâs used to not only rid your iPhone of unnecessary clutter that may be slowing your device down but also does it in a safe and secure manner so you will never have to work about having your privacy invaded.
Keeping over two billion devices safer. 1  Google Safe Browsing helps protect over two billion devices every day by showing warnings to users when they attempt to navigate to dangerous sites or download dangerous files. 2  Our Transparency Report includes details on the threats that Safe Browsing identifies.