I promise I won’t link to or offer my own reviews of the Facebook movie. Its $23 million opening led the weekend (but did it underperform?) and sponsored a little angst from techies and Harvard grads complaining about its veracity or its failure to actually be about (digital) social networking. But let’s talk about what really matters: Facebook’s revenue streams. Social commerce? Wacky made-up numbers on everything from gaming to coupons to PayPal? I suspect that, for the near future, the big numbers will still come from advertising and the vig it takes on virtual goods and gaming. But what do you think?