Twitter can be used to do many things.  Here are a few ideas:

1. Provide Reference Services
• Local and National News
• Identify local experts in subjects of interest to your patrons
• Patrons ask questions
2. Library News
• New Books
• New Services
• Library Hours
• Special Events
• Topics of Interest on your website
• Create alerts for specific groups (ie; teens, parents, senior citizens)
  
3. Two way communications
• Ask patrons for input
• Post answers to common questions
4. Use your imagination