a wide open world of social networking: monica lam, stanford engineering
DESCRIPTION
Stanford Engineering Professor Monica Lam discusses her lab's work in developing an open social network aimed at giving users better control of their data and greater privacy.TRANSCRIPT
A Wide-Open World of Social Networking
Monica Lam MobiSocial Computing Laboratory Stanford University
MobiSocial is supported by AVG, Google, ING Direct, Nokia, Sony Ericsson. Part of the NSF Programmable Open Mobile Internet (POMI) 2020 project.
Goals of This Class
� Early results in research in social networking architectures
� University computer science research � Demos of ongoing research
� Android market: DungBeetle � Stanford Wifi
� ID = eday � Password = stanford
Motivation
� Who owns the data on Facebook?
� How many Facebooks do we need?
Who Owns the Data on Facebook?
� You
“You grant us a non-exclusive, transferable, sub-licensable, royalty-free, worldwide license to use any IP content that you post on or in connection with Facebook”.
Personalized Search
+
Changing Privacy Policies
Companies Come and Go ...
How Many Facebooks?
A monopoly exists
when a specific enterprise has sufficient control over a particular service
to determine the terms on which other individuals shall have access to it.
Examples of Terms
Monopolies
When not legally coerced to do otherwise,
monopolies typically produce fewer goods & sell them at higher prices
than under perfect competition
to maximize their profit
at the expense of consumer satisfaction.
Multiple Social Intranets?
Social Internet
� No single owner of users’ data or app platform
� No need to join the same network
Focus:
Social Internet for Personal Interactions
Application Platform
Idea 1: Mr. Privacy
Social application platform
� Use our email identities
� Data stored by the mail provider of our choice
A Social App on Email
Social Browsing
http://mobisocial.stanford.edu/socialbar/ [M. Fischer, T. J. Purtell, M. S. Lam, mobisocial.stanford.edu 2010]
Email Messages
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Mr. Privacy Applications
� Users do not need to sign up � Interact with anybody with an email address
(university and corporate)
� As private as email
� Looks nothing like Email � Social apps: glorified mail clients
� Leverage email’s identity, protocol, database
� Instantly usable by > 1 billion people
Idea 2: DungBeetle
Your heart-to-heart conversations are yours.
Phone-to-phone communication.
Demo: DungBeetle
� Please download from Android Market DungBeetle
� Create a new group on the fly using NFC or GPS locations
� Real-time feed
� Social applications � wePaint
� weTube
Today’s App Platform
Global Social Graph
Challenge
Peer-to-peer (phone-to-phone) applications
Can we make them as easy to write as centralized applications e.g. Facebook app?
Phones Can’t Write to Each Other!
Talk Through a Messaging Service
Messaging Service
How to keep the messaging service in the dark?
Cryptography.
NFC: Near Field Communication
~800 kbit/s
Trusted Sharing of Public Key (NFC)
Ian’s Secret Key (s)
Ian’s Public Key (p)
1024 bits
Messaging Service
Send Secret Message Ian’s
Secret Key (s) Ian’s
Public Key (p)
p, 00101011010…
Encrypt p
00101011010…
“I Am ���Bored!”
“I Am ���Bored!”
Decrypt with s
p
Today’s App Platform
Global Social Graph
DungBeetle P2P Platform
Encrypted Messaging Service
My ���Backup
Ian’s ���Backup
Application Platform
� Access to friends
� Group management
� Multi-party applications
� App communicates to friends
� App keeps info about users
-- while protecting users from spam, etc.
-- without a central server!
Demos
� NFC-Based micro-interactions
Demos: Micro-interactions with NFC
Summary
Issues � Data ownership and Monopoly
Social Internet � No need to join a proprietary network
Mr. Privacy: email based platform � SocialBar: social browsing
DungBeetle: P2P mobile social platform � wePaint � weTube
Technology exposure: NFC, cryptography
Getting Involved
� Tell your friends
� Join the beta user community
� Help develop apps
� Help develop the infrastructure
Applications on http://mobisocial.stanford.edu
� SocialBar
� DungBeetle (Android Market)