Web 2.0-based developments are collaborative and dynamic. As we know, Web 1.0 was a medium for reading which is webpage, Web 2.0 has many more chances for interaction with reading or writing.According to O'Reilly (2005) online learning society would naturally transform to use the same approach. O'Reilly (2005) notes six core competencies of the Web 2.0 environment.

1. Services, not packaged software,
2. An architecture of participation,
3. cost-effective scalability,
4. re-mixable data source and data transformations,
5. sofware above the level of a single device, and
6. harnessing collective intelligence.