What is linkedin's revenue model?

Three main areas for revenue generation.

Talent Solutions - Recruitment, job postings etc.

Marketing Solutions - advertising

Premium Subscriptions - paid access to increased platform features.

Here are their latest posted results from October 2016 - Q3

Total revenue increased 23% year-over-year to

$960 million

.

Talent Solutions revenue increased 24% year-over-year to

$623 million

.

Hiring contributed $556 million in revenue, up 21% year-over-year.
Learning & Development contributed $67 million in revenue.
Marketing Solutions revenue increased 26% year-over-year to

$175 million

.

Sponsored Content remained the primary driver of growth and is now approaching two-thirds of total Marketing Solutions revenue.
Premium Subscriptions revenue increased 17% year-over-year to

$162 million

.

Sales Navigator remained the faster growing component of Premium Subscriptions, across both the field and online channels.