Answer:
Our consciousness is why they exist.
In Aristotle's Metaphysics, there are four causes of existence or change in nature: the material cause, the formal cause, the efficient cause, and the final cause.
We do know that the world will end sometime between 7 and 8 billion years from now that's all we know as of right now.
There are a pair of forces ... two of them ... between you and the computer.
You're attracted to the computer, and the computer is attracted to you.
The forces have equal strength.
Force of gravity = (6.67 x 10⁻¹¹ N-m²/kg²) M₁· M₂ / (distance)²
= (6.67 x 10⁻¹¹ N-m²/kg²) (80 kg) (4 kg) / (0.25 m)²
= (6.67 x 10⁻¹¹ x 80 x 4 N-m²) / (0.125 m²)
= 1.71 x 10⁻⁷ Newton
= about 0.000 000 615 ounce .
THAT's why you don't feel especially attracted to your computer.