Web 2.0: Pecha Kucha Presentation

We recently had a lecture on what is web 2.0?
Web 2.0 is the network as platform, spanning all connected devices; Web 2.0 applications are those that make the most of the intrinsic advantages of that platform: delivering software as a continually-updated service that gets better the more people use it, consuming and remixing data from multiple sources, including individual users, while providing their own data and services in a form that allows remixing by others, creating network effects through an "architecture of participation," and going beyond the page metaphor of Web
1.0 to deliver rich user experiences (Tim O’reilly). He explained that there are 7 principles of web 2.0, these are:
1. The Web As Platform
2. Harnessing collective intelligence
3. Data is the next Intel inside
4. End of the software release cycle
5. Light weight programming models
6. Software above the level of a single device
7. Rich user experiences

Before web 2.0 there was the web 1.0 which was created by Tim Burton. The problems of the early web were:
- Copyright (However it is still a problem with web 2.0)
- Searching and indexing page contents
- Technical skills to publish online
- Lack of social involvement

After learning about web 2.0 in lectures we were given the task of creating a presentation in the style of pecha kucha about one aspect of web 2.0. Pecha kucha is a way of structuring a presentation so that it is economical and to the point; no one wants to sit and listen to something that’s going to run on forever. Typically a pecha kucha presentation would consist of 20 slides and each would be shown for 20 seconds. However our presentation will be 5 minutes long and contains 15 slides. Each slide will still be shown for 20 seconds and the aspect of web 2.0 which we chose to present to the class was Network Effects. As there was four of us in the group we decided that everyone would have 3 dedicated slides each and that we would discuss the first two slides as a group.

Network effects refer to an environment where an increase in adoption and/or usage creates more value for all participants in a social community or network. In relation to web 2.0 an example would be social network sites, as the more people that sign up and use the website the more valuable it is to each person. There are different types of network effects, these are:
-direct: when the product or service value increases the more people use it
-indirect: when an increase in the use of a product or service creates increased value for complimentary products resulting in added value for the original product or service.
-social: when an increase in use by one group of users increases the value of a complementary product or service in a completely different set of users
-Two-sided: when groups of people come together in the online world

Network effects

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