Our ultimate goal is extensible programming (EP). By this, we mean the construction of hierarchies of modules, each module adding new functionality to the system.

Many people tend to look at programming styles and languages like religions: if you belong to one, you cannot belong to others. But this analogy is another fallacy.

But active programming consists of the design of new programs, rather than contemplation of old programs.

Experience shows that the success of a programming course critically depends on the choice of these examples.

The freedom to connect to the world anywhere at anytime brings with it the threat of unscrupulous predators and criminals who mask their activities with the anonymity the Internet provides to its users.

We face two overlapping challenges. The first concerns real-time court-ordered interception of what we call 'data in motion,' such as phone calls, e-mail, and live chat sessions. The second challenge concerns court-ordered access to data stored on our devices, such as e-mail, text messages, photos, and videos - or what we call 'data at rest.'

While still in college, I started my first Internet company - American Information Systems - a dial-up Internet provider in the Internet's formative years.

Ultimately there's a dirty secret about the Internet, which is nothing disappears. All these companies have all your information. They have your search history.