title: What is difference between content://contacts/people and content://contacts/
body: <p>I'm reading about content provider and little confused about contact picking from android. I read a lot examples from the Stackoverflow and confused some people are using <code>content://contacts/people</code> as Uri and some are using <code>content://contacts/</code> as Uri what is difference between them?</p>
  
  <p>And also to access information from the Uri some are using <code>People.NUMBER</code> or <code>People.NAME</code> and some are using <code>Contacts.DISPLAY_NAME</code> or <code>Contacts.HAS_PHONE_NUMBER</code> can you elaborate them?</p>