CEO Mark Zuckerberg promises to give 99% of his Facebook shares to charity — eventually. Exact phrasing: the stock, currently worth $45 billion, will be donated “during [he and his wife’s] lives.” He’s 31 and she’s 30, so actuarial tables being what they are, by approximately the year 2065. If Facebook or the Internet or the earth still exist. Whoop de doo. …