&gt; We also didn&#x27;t want it to fill up our inboxes with notifications when we didn&#x27;t have time to read.<p>1) Why would this messaging system deliver fewer notifications than RSS (besides the fact that few sites use this system yet)?<p>2) Why are popups on my screen a better interface than a mail-like interface? I strongly prefer the latter if I&#x27;m receiving many messages; lots of popups seem unpleasant.