( * Please bring your laptop or your smartphone with you * )

Astronomers are not only skilled computer users, but also experienced Internet users. Their work could benefit from latest improvement in the world of the web. In particular, new client-side, server-side, and database technologies can be used to set up:

1) extremely performing data mining applications;

2) multi-thread CPU/GPU simulation or reduction software;

3) efficient ways to communicate results or to exchange data;

4) modern web-based tools for astronomic research and outreach.

After a quick introduction and a basic history of the evolution of web technologies during these last 15 years, we will present interactive examples of the above-mentioned technologies, focusing on client-side innovations.