They’re real busybodies that have nothing better to do...
You don’t want to click on a link? Don’t and move on.
My point was more that if you want people to follow a link, you have to give them more incentive. I'd go with at least half the article. If it's worth reading, at that point the reader will know it's worth finishing. Think about it - if your writing is good enough, posting longer excerpts might up your hit count.