def announce(zelf, *args, **kwargs):
    """
            Announce a text on all channels of all bots.

            args[0] = "text to announce"

            >>> import core.bots
            >>> bot = core.bots.Bot()
            >>> bot.announce("hello")
            hello
                   
        """
    from core.kernel import fleet
    thrs = []
    for bot in fleet:
        thrs.append(zelf.put(bot.announce, *args, **kwargs))
    if thrs:
        zelf.collect(thrs)
    return thrs
