LinkedIn Endorsements vs Recommendations

There has been a lot of activity on LinkedIn recently with the introduction of their brand new feature, endorsements. It’s the logical extension of a profile that now lists the skills that people have. But what exactly are skills (as understood by LinkedIn), and what are the endorsements that go with them? And how do they compare with Recommendations?

On my profile, if you scroll down the page a little, you’ll see a section that looks like this:

These are skills I have listed myself which are t...