In the construction industry, an independent trading community such as Buzzsaw.com or Cephren.com enables a general contractor to manage and coordinate the many suppliers, subcontractors, architects, and engineers necessary to complete a project. Buzzsaw.com and Cephren.com are examples of
a. Webfronts.
b. web chains.
c. X-changes.
d. e-syndicates.
e. e-marketplaces.
Answer: e. e-marketplaces.