The teacher takes you around the internet, introducing words like "upload", "download" and "right-click".
Here are some internet related words from my Langenscheidt dictionary: blog - bókè browser - liúlǎnqì cookie - qǔqí cyberspace - sàibó kōngjīn to download - xiàzài e-commerce - diànzǐ shāngmào email - diànyóu (short for "diànzǐ yóujiàn") to log-in - shànwàng firewall - fánghuǒqiáng homepage - zhǔyè internet - hùliánwǎng internet address - wǎngzhǐ offline - líxiàn online - wǎngshàng online service - wǎngshàng fúwù password - mìmǎ provider - tígōngzhě send - fāsòng server - fúwùqì to surf - shàngwǎng liúlǎn world wide web - wànwéiwǎng website - wǎngzhàn
This video (see at YouTube) is of medium level difficulty. It has subtitles in Chinese characters.