Steven M. Cohen writes:

“The E-mail Run Aggregator (ERA) works like listserv subscriptions, just with RSS Feeds. Users type in a bunch of command lines (simple enough) into an e-mail and the aggregator will send an e-mail when the feed has been updated. The user gets a choice as to how often the e-mails will be sent: every hour (the default), 4 times a day, 2 times a day, or once a day. If you want to unsubscribe to the feed, just send a quick e-mail.

“For those that live on e-mail and want to use RSS in their e-mail client, this might be a good option. Definitely one to mention in future presentations… I’ve tested this service with my feed. I’ll report back on the findings tomorrow. Considering the fact that I hate e-mail color me impressed with its ease of use. They should implement an IM feature in the future. I know that there a few services out there already that use RSS and IM, but I’m not sure that they work like this… (via Mac DevCenter)”