Answer:
It's been around for millions of years, but it's no more than a month old. What is it?
Split me in half, and you get me and another me. What word am I?
You might accuse someone living with a stolen identity of being this.
One strand dangles. Two strands twist. Three or more can fashion this.
If the day before yesterday is the 23rd, then what is the day after tomorrow.
I am a rock group with four members. All dead one was assassinated.