The document discusses different forms of digital communication including messaging, voice communication, blogs and wikis, social and professional networking, and multimedia content sharing. It provides details on text messaging, instant messaging, multimedia messaging, cell phones, VOIP, blogs, wikis, social networking sites, online learning, digital cameras, YouTube, Flickr, and sharing documents. The document explores both business and personal uses of digital communication and notes advantages like increased efficiency and wider provider choice as well as disadvantages like cell phone distraction and VOIP quality issues.

1. Digital Communication
Lecture 21
Zikria Mian

2. Messaging
• Text messaging
• Instant messaging
• Multimedia messaging
For Business and Personal use

3. Voice Communication
• Cell phones
• Voice Over Internet Protocol (VOIP)
• Advantages:
– Increased efficiency
– Wider choice of service providers
– Useful in emergencies
– VOIP is generally free
• Disadvantages:
– Cell phone can distract attention
– VOIP is not fully regulated hence quality may be poor

4. Blogs and Wikis
• A blog is an informal website consisting of
time-stamped articles or posts.
• A Wiki is a collaborative website that
allows users to create, add to or modify
the website content via their web browser

5. Social and professional Networking
• Social networking sites like facebook,
myspace, orkut, bebo etc
• Chat rooms are now losing popularity and
are now mostly used for targeted
discussions.
• Online learning, consumer networking are
also tools of communication

6. Multimedia content sharing
• Rapid growth in use of digital cameras has
led to multimedia sharing by home users
– Youtube
– Flickr
• Sharing of useful documents,
spreadsheets, presentations etc

7. Multimedia content sharing
• Rapid growth in use of digital cameras has
led to multimedia sharing by home users
– Youtube
– Flickr
• Sharing of useful documents,
spreadsheets, presentations etc