Botanicalls explains how you can connect your plants to your Twitter and send you a message when they go down on water. You can create the kit by following the instructions here or buy an already assembled one here. The plants even send out a thank you tweet once you have watered them.
Grafitter parses your tweets to analyze information about your mood, habits and patterns. You can then explore interesting trends in your data through fun visualizations.
Just when the machine is running out of coffee, it tweets. This is accomplished by an attached webcam that sends display screen images to a database, which interprets them into text messages and tweet them.
TwitterVision takes you around he world by giving you a real-time geographic visualization of posts on Twitter.
Akiduki Pulse Box is a small device that automatically posts your heart rate to Twitter so your followers now you’re still alive.
If you are a Chiropractic you’ll love this one. This script scans Twitter for people mentioning neck pain, back pain or any other aches, and automatically contacts them with an offer to come to your clinic.
If you hate getting up to switch off the lights, just tweet to them. A simple hack using this software can let you control lights and other electrical appliances of your home.