1. Downloadables:  Provide downloadable materials for academic and non-academic users, such as MP3 files.  This kind of services encourage readers to keep checking back for “goodies”.

  2. Mileage:  Award mileage or points to readers and contributors which in turn can be accumulated and exchanged for gifts.

  3. Links:  Provide links to advertisers or locations of feature articles, email directly to contributors, or online submission of any entry forms.