What impact do reviews have on rankings?

Top rated products

• Buy Google Voice Accounts
  Rated 5.00 out of 5
  $9.00 – $48.00Price range: $9.00 through $48.00
• Buy Verified eBay Accounts
  Rated 5.00 out of 5
  $310.00 – $599.00Price range: $310.00 through $599.00
• Buy Old Gmail Accounts
  Rated 5.00 out of 5
  $18.00 – $1,450.00Price range: $18.00 through $1,450.00
• Buy Naver Accounts
  Rated 5.00 out of 5
  $7.00 – $240.00Price range: $7.00 through $240.00
• Buy Payza Verified Accounts
  Rated 5.00 out of 5
  $80.00 – $120.00Price range: $80.00 through $120.00