Contrary to what was believed previously, common bacteria that cause infections such as colds and strep throats can persist for long periods on surfaces like furniture and toys. This new knowledge may affect protocols at hospitals and daycares on how to reduce infections. Image via Flickr user Foto Jenny.
The end user is the individual who uses a product after it has been fully developed and marketed.
Front-end and back-end are terms used to characterize program interfaces and services relative to the initial user of these interfaces and services. (The user may be a human being or a program.) A front-end application is one that application users interact with directly.