The world wide web has become the biggest source of information for many of us. We use a variety of search engines to find such diverse information as disease symptoms and medication, cooking recipes, movie tips, and scientific articles; with various degrees of success. To help us further, innovation has brought new 'answer engines' such as Wolfram Alpha which aims are 'bringing broad, deep, expert level knowledge to everyone'.
The Web is changing and turning into something more than being just a lot of web pages accessible to only humans.
Clipping is a handy way to collect important slides you want to go back to later.