Delicious, Digg, StumbledUpon and slashdot were my main fresh content feed back in the days, found so many useful articles and fun websites through them...

And Freshmeat...

>StumbledUpon

StumbleUpon

I have very fond memories of spending hours clicking 'stumble' during the early years of high school.

I'm still sad at how Technorati ended, loved the service back then.