How has social networking changed the process of mate selection?

What is the role of institutions in society - do they perform positive functions, or simply work in the interests of the powerful and against the powerless? (a related question here is why do our life chances vary by class, gender and ethnicity)

In your opinion which are the 3 most important statistics to improve to promote a better future in america and why?

Why did our founding fathers want to protect our freedom of speech?