Pushpin is now OSS and licensed under GPLv3. Check out the source code on GitHub if you'd like to contribute.
If Pushpin has given you huge value (more than the price you paid for it), please consider sending over a tip! Tips are a huge motivator and help ongoing development. We'll never charge you for an update of the software so tips are very appreciated.
Love Pushpin? Write us an App Store review!
Have an idea? Something not working? Shoot us an email at [email protected].
Tweet Seeker 
Pushpin for Delicious - Delicious client for iPhone, iPad, and iPod Touch