I've got enough music on my hard disk that some of it has become invisible.

"At this rate, it is easy to see that our origins will soon have become invisible."

The working class poor, he said, have become practically invisible.

She passed her hand through the air as if the monster had become invisible.

Despite his best efforts, he had not yet become invisible.

Once families are off the public assistance rolls, they might as well have become invisible.

He could still sense their presence, but they had become invisible.

But with so much to look at, I had become invisible.

I happened to look at him and saw that his legs had become invisible.

Because he has a talent for becoming invisible when there's work to do.