Detailed Descriptive about Web 2.0

1. Web 2.0:
Web 1.0:
In earlier stage, Web 1.0 was the creation of web pages that provided information readers.
Disadvantage:
It is computer based, Individual working, tracking information down
One way communication
Web 2.0:
But in Web 2.0 is commonly associated with interactive information sharing,interoperability,user-
center design & collabaration on the world wide web
It is mainly used for rich internet applications like(AJAX & FLASH)
AJAX-Asynchronous JavaScript and Xml
AJAX- Used for overall apllications
FLASH-Better Presentation & User Experience
Advantage:
It is nothing but the platform
Information can be received from various places
People can express the ideas freely
peer – peer communication

2. Examples:
social networking sites
video sharing sites
wikis
Blogs
Disadvantage:
Low quality
Security is very low
Websites can be easily targeted by hackers
Future Enhancements:
Web 3.0: (semantic web)
Web 3.0 = 4C + P + VS (3C-content,Commerce & Community)
C-Context
P-Personalization
VS-Vertical Search
It is mainly used for keyword based search
Examples:
In web 2.0 photos & pictures are similar
But in web 3.0 there are various searches namely:

3. contextual Search
Tailor made Search
Personalized Search
Evolution of 3D Web
Deductive Reasoning
Open Source:
Open source software is defined by its attached license guaranteeing anybody rights to freely use,
modify, and redistribute the software.
Open Source is a certification mark owned by the Open Source Initiative.
Advantages:
 Lower total cost of ownership
Reduced dependence on software vendors
Easier to customize
Higher level of security
Free redistribution
Source code must be included
Must allow modifications and derived works
Integrity of the author's source code
A single license must apply to all users

4. License must Be technology-neutral
Stability
Runs on old hardware
Equivalent programs
More technical ability needed
Disadvantages:
No support for existing software.
Higher Installation cost
No guarantee of updates
Social networking sites:
Social networking sites are not only for you to communicate or interact with other people globally

5. but, this is also one effective way for business promotion. A lot of business minded people these
days are now doing business online and use these social networking sites to respond to customer
queries. It isn't just a social media site used to socialize with your friends but also, represents a huge
pool of information from day to day living.