1) The average person spends around six months of their lifetime waiting for red lights to turn green.

2) The term "cloud computing" refers to the delivery of computing services, including storage, databases, and software, over the internet rather than on a local server.

3) The first graphical web browser, Mosaic, was released in 1993 and played a key role in popularizing the World Wide Web.

4) The Eiffel Tower can be 15 cm taller during the summer due to thermal expansion.