Abstract: A user interaction monitoring system for monitoring a user's interactions with other users in an online environment includes: an interaction monitoring unit operable to monitor interactions between a first user and at least a first group of other users in the online environment and characterising the monitored interactions, an interaction identifying unit operable to identify whether interactions between the first user and the first group of other users deviate from the interactions between a second user and a second group of other users in the online environment, and a user experience modifying unit operable to modify the user experience in the online environment for the first user if it is identified that there is a deviation in the interactions.

Abstract: A method of searching for videogame activities comprises receiving a request comprising a target time for a first player within which to complete an in game activity, accessing a record of the current game state for one or more games playable by the first player, obtaining timing data for elapsed times between validated pairs of game states that includes an accessed current game state and a candidate next game state, and selecting one or more of the plurality of candidate next game states playable by the first player, responsive to the target time and the obtained timing data.

Abstract: A user interaction monitoring system for monitoring a user's interactions with other users in an online environment includes: an interaction monitoring unit operable to monitor interactions between a first user and at least a first group of other users in the online environment and characterising the monitored interactions, an interaction identifying unit operable to identify whether interactions between the first user and the first group of other users deviate from the interactions between a second user and a second group of other users in the online environment, and a user experience modifying unit operable to modify the user experience in the online environment for the first user if it is identified that there is a deviation in the interactions.