Web 3.0 Cons, and The Future of Web. 3.0 Web 4.0 Improved user experience Future generation objects

i want a 2 pages on the future of Web 3.0  and cons (NOT PROS) BUT CONS, 

+ a 2 slide presentation on those parts with bulit points, and write me a small paragraphs on each point cuz i'm presenting tomorrow!! 

 see the red colored parts next:  

Web 1.0 Main goal building and creating content
Web 2.0 Produce content and Social Media
Web 3.0 Main goal

II. Web 1.0 1st Generation
Primarily on building web and making it accessible
Establishing 1st web browsers
Software language (Java/Javascript)

III. Web 2.0 2nd Generation
Social Networking
Lightweight collaboration
Social Networking

III. Web 3.0 3rd Generation
Data-mining
Artificial mining technologies
Natural Language search

IV. Pros’ 3.0
Key be more connected, open, intelligent
Easier web browsing through analyzation and organization
Access data through anywhere (cloud applications)

V. Con’s 3.0

1. Security issues

VI. The Future of Web. 3.0

1. Web 4.0

2. Improved user experience

3. Future generation objects