In the silence of connection, people are comforted by being in touch with a lot of people — carefully kept at bay. We can’t get enough of one another if we can use technology to keep one another at distances we can control: not too close, not too far, just right. Texting and e-mail and posting let us present the self we want to be. This means we can edit. And if we wish to, we can delete. Or retouch: the voice, the flesh, the face, the body. Not too much, not too little — just right. Human relationships are rich; they’re messy and demanding. We have learned the habit of cleaning them up with technology. And the move from conversation to connection is part of this. But it’s a process in which we shortchange ourselves. Worse, it seems that over time we stop caring, we forget that there is a difference