A news source that has lately risen in popularity is an automated news aggregator, or a memetracker - a website that gathers news from many sources (usually RSS feeds) and sorts it according to time of publishing, relevance, importance, number of inbound links or other factors. The important part here is there is very little or no interference by living editors; news items are chosen and sorted by an algorithm, automatically.

Frantic Industries does a reasonable job summarising 8 memetrackers.