One of the coolest online services I discovered recently is Blogger's Play. It's a snapshot of what Blogger users are currently uploading as pictures to their blogs. Knowing there are thousands of bloggers using the service every day, you get a pretty good image of what is happening in the world right now, literally. It is like a perfect real-time news. Here is another interesting research. Death by caffeine calculates how much cups of any drink has enough caffeine to kill you.