mattia - 4:12 pm on Dec 13, 2011 (gmt 0)
Please tell me which exact part you did not understand,
also did you try to google some of the words we used?
Its pretty hard to start teaching you what blog is or what an rss aggregator is via this forum.
This forum is more about providing hints and not really about teaching a whole course on some subject.
They really some great sites out these that will provide you with absolute free tutorials.