My Digital Playground (PLN)
by Bill Robinson
1. People
1.1. Friends
1.2. Colleagues
1.3. Family
2. Social/Professional Networking
2.1. Ning
2.2. Linked in
2.3. Facebook
3. Content
3.1. Wikipedia
3.2. Google
3.3. Teacher Tube
3.4. Flicker
3.5. iTunes
4. Communications
4.1. Mobile Devices
4.2. RSS Feeds
4.3. E Mail
4.4. Twitter