conference(A conversation between three or more people, where the communications technology is unknown or not specified); Conference(A toolbar button that provides the user with the service that allows three or more persons to converse together in a phone call); conference call(A telephone conversation between three or more people)
Google I/O(Название Google "IO" может означать "Innovation in the Open", либо input/output (ввод-вывод). Кроме того, "I" и "O" напоминают двоичные цифры "1" и "0".)