This plant has a twitter account, you can water it by direct tweets. Since a single tweet can’t save her, she needs twitter friends to grow up!
A Processing application listens to new tweets via Twitter APIs. A servo motor is bringing water to the plant while sensor checks its the humidity rate (if it’s too low the plant tweets in order to alert her followers).
If you follow the plant’s account, she can send you private messages.
Go here to visit the plant. And do not forget to water it!