A smartphone is a (mobile) phone that you can do more with than just call: You can play games with it, you can use the Internet, you can edit documents, etc. Almost every phone you can buy nowadays is a smartphone. Read More
HDTV is television with a much higher (up to 1920×1080) resolution than normal TV (often called SD). With an HDTV, you can see grass feelers on a football field sharply, with a normal television you see just grass. If you have an HDTV you don't want to say that everything is sharp. Read More
Napster was the first globally used peer-to-peer music part service and was sourced from a few students. by Napster, the MP3 file format became popular because it was very simple to share music from others. Read More
A gadget (a thing, Gizmo) is an article that is innovative and often cleverly designed. Often a gadget is a consumer electronics product (but it doesn't have to be). The technology or design is innovative, so a trendsetter likes to buy it. Often a gadget is also purchased as a status symbol. A gadget is especially interesting at the beginning (and even then it is more frequent for the entertainment purchased, and not so much for its functionality), later there are too many people who have it too, and it is not interesting anymore to have (or to show off). A gadget is often purchased online, in a special gadget or gift shop.