Edward Popko

1. Social Media

1.1. Twitter

1.2. Facebook

1.3. Digg

1.4. Google Reader

2. Professional Netowrk

2.1. Berkman Center

2.2. EDUCAUSE

2.3. Harvard University

2.4. ABCD

2.5. Berkman Fellows

3. Internet Aggregators

3.1. BoingBoing.net

3.2. Slashdot

3.3. Fark

3.4. Digg

4. Harvard Extension

4.1. Twitter

4.2. Email lists

4.3. course website

4.4. reading list

4.5. other students

4.6. instructors

5. Media

5.1. Podcast/radio

5.2. Movies