Job Interview Questions: Sending a thank you after job interview through linkedin?

I can't find the person's e-mail address is it inappropriate to send it through linkedin?

Job Search Strategies - Seven Kinds of Job Interviews

Recommended Answer:
Congratulations on doing what many candidates don't. Use Linked In -- if nothing else it will show your persistence and resourcefulness.

Job Interviews - 10 Cardinal Sins

• Use LinkedIn that is what it is for!!