Twitter:
If you like to automated updated about me and my interests, you can subscribe to one of my RSS feeds.
Don't know RSS? Take a look at Wikipedia for a description.
As you can see on my Photos page, i'm placing my pictures at Flickr. You can receive new photos automaticly by subscribing to my Flickr RSS feed.
Most people are bookmarking their favorite sites in their browser. I'm using Del.Icio.Us and enjoyed a lot of great features, eg. sharing my favorites. If you're interested in my bookmarks join my del.icio.us network or subscribe to my del.icio.us RSS feed.
If you're interested in a special tag only, you can subscribe to a RSS feed of that tag. Eg for the tag 'Amsterdam' http://del.icio.us/rss/jurjendevries/Amsterdam.
In the header of my site is my 'one-line' blog. I'm using Twitter to share my one-liners. If you like to receive them by your favorite RSS reader join my Twitter RSS feed.
There are a lot of profiles on social networks and other services. Oh yeah! Well, I collect my profiles at onXiam, and you can get a RSS feed of my profiles. So be the first to know when I have a new profile at another site.
Interested in the stuff I am selling? Watch my ads by subscribing to my Marktplaats feed (it's Dutch).
Feed of the 10 recently played tracks I'm listening to.
Party time, congresses, concerts and other events I'm going to can be shown at my Yahoo Upcoming feed.