Equation of the Day: A Paradoxical Conundrum

This is the equation of the day, a paradoxical puzzle that will drive you mad.

It's a simple equation, really: 0.0001 = 1.0001 + 1.0001 + 1.0001 + 1.0001 + ...

But wait, is it really that simple?

Or is it a clever trick of the mind?