The "gated-access approach" (where contact with any professional requires either an existing relationship or an introduction through a contact of theirs) is intended to build trust among the service's members.
Linked In allows members (both workers and employers) to create profiles and "connections" to each other in an online social network which may represent real-world professional relationships.Members can invite anyone (whether an existing member or not) to become a connection.it is mainly used for professional networking, including employers posting jobs and job seekers posting their CVs.As of 2015, most of the company's revenue came from selling access to information about its members to recruiters and sales professionals.Shares of Linked In rose as much as 171% on their first day of trade on the New York Stock Exchange and closed at .25, more than 109% above IPO price.
Shortly after the IPO, the site's underlying infrastructure was revised to allow accelerated revision-release cycles.
Linked In filed for an initial public offering in January 2011.
The company traded its first shares on May 19, 2011, under the NYSE symbol "LNKD", at per share.
The acquisition would be an all-cash, debt-financed transaction.
Microsoft would allow Linked In to "retain its distinct brand, culture and independence", with Weiner to remain as CEO, who would then report to Microsoft CEO Satya Nadella.
However, if the invitee selects "I don't know" or "Spam", this counts against the inviter.