[dag11]

I fully agree with this. It reduces the quality of interaction from both ends:

From the receiver's end: Like this post says, it creates a sense of urgency as the sender now knows that it's been seen. It also puts the receiver in a tough situation if the sender is an annoyance but the sender doesn't want to possibly hurt their feelings. By default -- without doing anything -- that possibility exists. There becomes an obligation to respond.

From the sender's end: Likewise, if you send a message to someone and you're really nervous about a response (think of a potential boyfriend/girlfriend, for example), if you see that the person has "seen" or "read" your message, and they don't respond, you might begin to worry that they won't ever respond. Of course you know that they might just be busy or taking their time to write a thoughtful response, but the fact that the time is now ticking since they've seen it can make you anxious.

So really, this kind of passive sharing helps nobody.