1. A method of controlling an electronic device having a touch-sensitive display, the method comprising: detecting a touch at an area associated with a character displayed on the touch-sensitive display; adding the character to a character string; identifying, from stored data, objects that at least partially match the character string; determining a next character of ones of the objects identified to yield a set of next characters; increasing a size of an area associated with each character of the set of next characters; and in response to detecting entry of a space or a period that ends the character string, reducing the size of the area associated with each character of the set of next characters.
3. The method according to claim 1 , comprising, absent detection of a further touch, reducing the size of the area associated with each character of the set of next characters with time at a rate dependent on a factor related to touch-sensitive display operation.