Answer:
Prior to smartphones, people used this to record their lives.
I can be found in seconds, minutes and centuries, but not in days, years or decades.
White and thin, red within, with a nail at the end. What is it?
It can be done to buttons and shopping carts. What is it?
What sevenยญletter word becomes longer when the third letter is removed?
I am a rock group with four members. All dead one was assassinated.