Table Salt, Sea Salt, Kosher Salt: What's the difference?

What's the difference between table salt, sea salt, and kosher salt? Is one healthier than the other? Does one taste better than the others Or is it just another marketing ploy?

via Smart Health Shop Forum http://feedproxy.google.com/~r/SmartHealthShopForum/~3/TGVnCdcf7mQ/8893-table-salt-sea-salt-kosher-salt-whats-difference.html