LinkedIn's share button reveals the secret to its disproportionate influence in networking. Business Insider Subscribe Newsletters ...

A browser extension called Sell Hack adds a "Hack In" button to LinkedIn profiles. Pressing this button allows you to see that person's email address regardless of whether or not you're connected ...

LinkedIn, the business-focused social network owned by Microsoft , on Wednesday said it now has more than 1 billion members and is adding more artificial intelligence features for paying users.