1. Cs 575 Week 5 Spring 2008 Bapa Rao

2. Outline Organizational Review of previous meeting Student presentations Discussions

3. Organizational Good news: forums not entirely dead –Not exactly buzzing either –Please use a recognizable handle or sign your posts so we know who you PLEASE stick to presentation schedules –Slot change requests are extremely high risk

4. Review of previous meeting Engelbart’s Augmenting Human Intellect paper Student presentations –Negroponte’s Green Machine initiative by Uday Dhokale Discussion –Negroponte’s ideas –Cloud Computing –Human behavior in digital worlds –Human-centered computing & multimedia Homework assignment –Read Licklider’s papers as a jumping-off point for discussion

5. Today’s Student presentations Gender HCI by Stacy O’Malley Everyday Inclusive Web Design by Madhavi Nidamarthy Cyborg-cybernetic organism by Prashant Patel TBD

6. Discussion Licklider’s vision –Man-computer symbiosis Formulating vs. solving Speed of interaction (real-time) –Computer as communication device Communication: a comparison of models –Models  ontologies, web 3.0, … Licklider’s context: technical project meeting –Engelbart’s demo –Today’s contexts? Creative informational activity vs. informational housekeeing Affordability, accessibility, usability Distributed intellectual resources –Critical mass in intellectual endeavors –On-line interactive communities Issues considered by Licklider –Computer and humans have different skills –Prerequisites Speed mismatch, memory / hardware, memory organization, language, I/O –High-level design of the DARPA internet as a communication medium Other authors –Bush, Kay, Berners-Lee, Engelbart, … Current technologies and directions

7. Man-computer symbiosis Formulative thinking: –Humans: do the activity –Computers: facilitate Real-time, high-speed –Neo-whorfian 85% thinking time is housekeeping Flexible handling of complex situations –Humans and Computers –Computers: routinizable work

8. Man-computer symbiosis What is symbiosis? –Tight coupling –Mechanically extended man –Humanly extended machines –Chemical / electronic binding

9. HLAM/T

10. Human-computer symbiosis Issues –Speed mismatch –System requirements (hardware, memory, …) –Organizational mismatch: Memory organization (Information structuring and retrieval) –Language mismatch What versus how –I/O mismatch Voice, mobile, touch, …

11. Computer as communication device “In a few years, men will be able to communicate more effectively through a machine than face to face” What is communication? –Two tape recorders exchanging data –Two humans having a meeting –Collaborative Modeling