Make an export feature so our data isn't trapped in your service.
Data portability is very important these days. I suggest you have a way to export out saved bookmarks
In fact export feature is so far the only missing thing for me. For a long time I was happy user of Zootool and clipboard, recommending them to everyone around, but then both services said goodbye. I searched and searched and found Springpad. And now deja vu, bcz again after a year or so, I have to move all my data to somewhere. Fortunately after trying a few other services, I found yours, beautifully simple, clean and fast. Just yeah, export feature would be really useful, even I hope clipix will live forever.
Alex Shumilov commented
...i would add the ability to export clip metadata, such as comment, in addition to bookmarks.