- Regardless of device types and capabilities
- PC-s, phones, TV-s, PDA-s, …
- low bandwidth, small B/W screen, no sound, no screen, …
- Regardless of user capabilities
- color or total blindness, …
- difficulties with a keyboard, mouse (eg, RSI problems), …
- dyslexia, cognitive or neurological difficulties, …
- Regardless of language, culture, geographical location
- the majority of Web users are not English speakers
- it is not only an issue of character sets…
- directions of writing, …
- format of dates, phone numbers, ZIP codes, numbered items, …
- different keyboard types, …