Abstract: The invention provides a method of inferring exit behaviour of a user of a user device, the method comprising: displaying a page in a display portion of the user device; detecting scrolling of the displayed page within the display portion in a first direction; detecting scrolling of the displayed page within the display portion in a second direction different to the first direction; and inferring an intent to exit the page in dependence on detecting scrolling in the first direction and detecting scrolling in the second direction.

Abstract: The invention provides a method of inferring exit behaviour of a user of a user device, the method comprising: displaying a page in a display portion of the user device; detecting scrolling of the displayed page; detecting a threshold condition; inferring an intent to exit the page in dependence on detecting scrolling in combination with the threshold condition being met, the method further comprising: detecting the orientation of the display of the page within the display portion; setting a threshold of the threshold condition in dependence on the orientation; detecting if the orientation changes; and changing the threshold if the orientation changes.