As she stared at the restless pixels on the screen, her impatience grew. This agitation was familiar, a paradoxical feeling that built up inside her when she was spending too much time online, as though some force was at once goading her and holding her back. How to describe it? A temporal stuttering, an urgent lassitude, a feeling of simultaneous rushing and lagging behind. It was a horrible, stilted, panicky sensation, hard to put into words.