genetic group selection is not the same as cultural group selection http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=10188732&fulltextType=RA&fileId=S0140525X14001356&treatment=Y&specialArticle=Y …pic.twitter.com/zfWV3qp9ai
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
@vgr @Meaningness for real though this model predicts non-huge levels of immigration would have very little effect on culture
@literalbanana @vgr yes, it seems an importantly right point
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.