If your institution participates in Eduroam, you will be able to use your own home username/password with the UPEI "eduroam" wireless network to authenticate while you're at UPEI for the APLA 2013 conference.
The list of participants is here:
Everyone else - we will definitely be providing guest wireless access credentials throughout the conference venue, so no one will be left unconnected.
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Melissa Belvadi
User Experience & Collections Librarian
University of Prince Edward Island