Social networking sites

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Across
  1. 1. a brief written account of personal, educational, and professional qualifications and experience
  2. 2. an association of individuals having a common interest, formed to provide mutual assistance and helpful information
  3. 4. a company or person that sells goods to customers
  4. 6. to link
  5. 7. to enlarge
Down
  1. 1. a person who is a member of one's class or profession
  2. 3. a centre of activity, a focal point
  3. 5. a potential customer