Unicode is a character encoding system that assigns each character a unique number, independent of system, program, and language. Earlier encoding systems mainly had two problems: they covered too few characters and were often incompatible with each other.

Germany's Federal Office for Information Security (BSI) is the highest agency within the country's Federal Ministry of the Interior responsible for matters of IT security.

Many websites change frequently or become unavailable over time. Important information can be lost as a result. One way to prevent this is to save web content locally as a PDF file. This also helps prepare web content for printing or share it consistently as an email attachment. Businesses can benefit from automated web services that convert URLs to PDF, for example by directly storing submitted forms as PDF files.