RSS is a way of keeping up to date with the latest updatres and posts on your favourite websites. If you run IE9 you can subscrive to RSS feeds. Here is a guide on how to subscribe to RSS feeds in internet explorer 9.
You may find that the iPhone 4s does not show contact details when you got to you SMS settings it only displays phone numbers. Here is how to fix the issue with the iPhone 4s SMS not showing contact names.