Given that social media in general generates so little traffic to travel websites, do we need dedicated social media sites for travel? So how come so many startups have popped up and continue to get funding to solve problems that a) don’t exist and b) are not revenue generating. Where is the social travel sweet spot? If you take the PhoCusWright results at face value, it would appear that the gold is on the mobile sharing side since that seems to be the activity with the highest engagement with travelers. The issue remains, however, whether there is enough gold to split between the behemoths of social media and some unknown startups. Get the full story at Tnooz and PhoCusWright