One way most people keep a track of these posts is by bookmarking these pages in their browsers to check later. These users can use a Xmarks bookmark sync to have their bookmarks in any browser you use. What if you want to read these posts offline on an iPod or iPhone while travelling to work ?
Read It Later is a free web service that allows you to mark pages on the Internet that you would like to read later. Using this service is really easy. Just drag one of the bookmarklets to the bookmarks bar on your browser. Now just click on the bookmarklet when you find something interesting.
They also allow you to download and sync these pages to your iPod or iPhone for reading offline.