I need to create RSS Feed for one project. The technical part is clear, but I myself do not read any feeds and therefore I need your opinion regarding, hmmm, usability. I have 3 questions for those reading RSS Feeds a lot.
1. Many feeds or one? What would you prefer?
There are 3 different sections on the page:
Articles (normal Content)
News (News Module)
and Blog (BMS)
There are 2 possibilities:
a. I can create one feed for each section to allow "separated feeding" for each section.
b. I can put all new items in one channel together prefixing each title with "Article:", "News:" or "Blog:".
There are approximately 1-2 new items a day from all sections together. What would be your choice?
2. How many characters in description of item is optimal for you?
What summary length would you prefer?
3. Are thumbnails important for feeds or is it childish stuff

I would appreciate every answer: short or detailed. Thank you!