A method for controlling boost pressure in an internal combustion engine is provided. A factor extraction unit extracts effective factors, which are factors related to arrival order by sorting the extracted race results in arrival order. The messaging client is configured to send outgoing messages, each of the messages having message characteristics, to determine whether a record for an addressed recipient of an outgoing message exists in the data store, and to select messaging settings to control the message characteristics of the outgoing message based on the record where a record exists. The finger hub includes at least one substantially circular cavity.