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Just imagine a world where LinkedIn didn’t exist. Countless other companies could’ve formed to build something far better. But because of network effects we get

• ghaff 5y ago
  On a personal basis--and leaving aside the marketing benefits that companies see--it's basically a self-updating Rolodex. I selectively accept invites, haven't updated my sparse resume in over a decade, and use it to check where people are or what their titles are.