| It seems that professional celebrity Paris Hilton may have a problem getting her friends on the mobile phone. Hundreds of Hilton's contacts, including people like Eminem and Avril Lavigne, have been exposed to prank telephone calls after hackers posted the contents of Hilton's T-Mobile Sidekick on the Internet. Hilton's famous friends moved quickly to change their unlisted numbers to new ones. Some of the famous folk whose numbers she had saved were not quick enough. When they were reached by pranksters, the phone conversations were uploaded at different sites on the Net.
Basic models of cell phones:
* Classic (candy bar phone) — (Nokia 3310, Siemens S65, Motorola m3788);
* Flip model — with a folding cover, closing the keypad. Usually, a microphone is positioned on the cover, which allows the phone to have a convenient distance between the microphone and speaker, even in small sized phones. A few years back, flip model phones were very popular. Presently, flip models are almost not preferred due to the appearance of “folding” model phones and the dropping of prices of these phones (Ericsson T10, Sony Z5, Motorola m3688);
* “Folding” (“book”, “frog”, “Dwarf toad”) — a two-piece collapsible body like a notebook or powder box. Usually, the display and speaker are positioned on the top cover keypad and the microphone positioned in the lower piece. Besides the internal (main) display, this model of phone often has an external display also, which is accessible in the folded condition. (Motorola V600, Sony Ericsson Z200). Usually, folding phones open at an angle of less than 180 degrees but folding phone models exist where the phones can be opened up to 180 degrees;
* Slider — consists of two parts, moving with respect to each other (Samsung SGH-D500, Nokia 8910, LG G7050);
* Pseudo-folding — similar to “folding”, but the screen is located in its bottom part and only the speaker on the folding piece. Unlike flips, the top cover of this model closes the display too. Often, an aperture is left in the upper cover or the portion of the upper cover (or sometimes the entire upper cover) is transparent so that the display is visible even in a folded condition (Fly S1190, Motorola A760);
* Rotator (with rotary mechanism) (Siemens SK65, Motorola V70, Motorola V80);
* Dual-hinge — the body, which can be both horizontal and vertically “folding”. It is used in communicators: access to phone functions is possible upon opening the body vertically and horizontally, to a large screen and a full-fledged keypad (Motorola MPx);
* Lipstick — the body is like the shape of a lipstick tube, pencil box or a pen. It possesses unconventional controls. It is used in corporate models (Nokia 7280, Nokia 7380);
* Stationary — it is similar to the usual wire telephone. It is used as a replacement for the usual phone there, where carrying of the phone is not possible or unpractical. Interestingly, such devices are not mobile phones though they are cellular phones;
* Automobile — it is similar to the stationary phone but is only intended for installation in a car and is usually optimized for convenient use in the car. The power supply is obtained from the automobile battery (Nokia 810).
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