1. Lada Adamic ladamic@umich.edu School of Information University of Michigan, Ann Arbor

2. Social networks exposed More and more social network information is available as a side-effect of people leading digital lives online social networking sites blogs phones instant messaging email

3. Flow of knowledge in scientific (collaboration) networks Viral marketing for a new product The spread of memes Spread of medical knowledge The interaction between formal and informal news channels How can we understand the flow of information? product recommendation network

4. Visualization tool for blog ‘epidemics’ infers most likely links where ambiguous or missing http://www-idl.hpl.hp.com/blogstuff Giant Microbes epidemic visualization via link explicit link inferred linkblog

5. How do memes evolve? 02:00 AM Friday Mar. 05, 2004 PST Wired publishes:Wired "Warning: Blogs Can Be Infectious.” 7:25 AM Friday Mar. 05, 2004 PST Slashdot posts:Slashdot "Bloggers' Plagiarism Scientifically Proven" 9:55 AM Friday Mar. 05, 2004 PST Metafilter announcesMetafilter "A good amount of bloggers are outright thieves." Before lunch: Eytan writes FAQ: Do bloggers kill kittens? After lunch: Several bloggers title posts ‘Bloggers kill kittens!’

6. 1 6 54 63 67 2 94 number of nodes found power-law graph How easy is it to locate information and expertise?

7. How does the formal organization relate to the informal? Can we locate expertise?

8. Can we understand community dynamics? the political blogosphere, early 2005 detecting polarization analyzing discourse learning what brings communities together online

9. www.cancer.org www.aad.org www.skincancer.org search engine path of hypothetical search engine user hyperlink Information scatter (w/ Suresh Bhavnani)