Downloadable software applications (apps); Application software; Computer software applications (downloadable); Personal computer application software; Computer software packages; Computer software (programs); Computer software programs; Programs for computers; Recorded computer programs; Encoded programs for computers; Encoded programs; Communication software; Computer Software

Electronic message services; Electronic message transmission; Communication of information by electronic means; Electronic transmission of messages; Data transmission by electronic mail; Relaying of messages (electronic); Sending of messages (by electronic means); Transmission of messages by computer; Message storage and transmission (telecommunications); Message sending; Relaying of messages (electronic); Transmission of messages by computer; Delivery of messages by electronic media; Broadcasting or transmission of recorded messages and transmission; Computer aided transmission of messages and images