As Smart Knob doesn't need an internet connection, it could be useful even out in the woods.

ENGADGET: March 16, 2013 4:15 PM EDT

Download via Android app: Users can download personal movie collections to Android devices within the VUDU app in digital format so they can enjoy their favorite flicks on the go, without the need for an Internet connection.

ENGADGET: Vudu launches movie streaming / downloads to Android tablets, Xbox 360 app supports 1080p

To make use of the cloud you will need quite a fast internet connection, otherwise uploading your data is going to be a massive chore, and keeping it updates an even bigger one.

FORBES: Protect Your Data From Fire And Floods

To maximise their usefulness, tablets need a fast wireless-internet connection.

ECONOMIST: The iPad is a success, but other tablets may not be

Another reason why apps have proved popular is that, unlike websites, they do not need a constant connection to the internet.

ECONOMIST: The beauty of bite-sized software

It will enable people with suitably-equipped laptops to access the internet without the need for a connection via a socket or a mobile phone.

BBC: Man using wi-fi laptop

All you really need is a computer, a reliable internet connection and a good trading strategy.

BBC: How I quit my job to travel: The banker

And why pay for both a phone line and a broadband Internet connection when you only need the latter?

FORBES: AT&T's Call For Relevance

The newest among them is Intel's Wireless Display (WiDi) technology, which enables easy and quick connection between TVs and PCs without the need for cables or Internet access.

ENGADGET: LG unveils new 3D glasses, hopes lighter and better looking spectacles drive adoption

In case you missed it, Wi-Fi lets you cut the cord you've heretofore used to reach the Internet and access your fast connection from the far side of the house without need for an extra cord to maintain the connection.

FORBES: Wireless Networking Gets Easy