Here is my story. I used to have delicious account long ago (close to 30000). Because Yahoo shut it down, I have to move. I used a ruby script to auto submit to google bookmark. It took me three days. After that I thought everything will be fine. However, I define tagging a lot, google bookmark can't do heavy sorting (it always crash my browser). Then when I found evernote, I like the way they have app for iPad and Android phone. However, right now they also have tagging sorting problem. Currently I have 7212 bookmark in Evernote, 2341 tags. You can imagine the browser basically freeze to wait for the loading. Tagging/hashtag is very important to me. I rarely use google to do research because I always look back to my tag first.