|  |  |  |  |  |  |  |  |  |  |  |  |  | 
   
    | n | Lankes and
    Shostack, 2002 
 |  | 
   
    |  | 
   
    |  | q | Make a good case
    for e-mail reference 
 |  | 
   
    |  | 
   
    |  | q | No reason given
    for not providing real-time virtual 
 |  | 
   
    |  | 
   
    |  | reference 
 |  | 
   
    |  | 
   
    | n | McKinzie and
    Lauer, 2002 
 |  | 
   
    |  | 
   
    |  | q | Overrated and
    fraught with administrative difficulties 
 |  | 
   
    |  | 
   
    |  | q | Specifically they
    felt that librarians couldn’t “model 
 |  | 
   
    |  | 
   
    |  | habits of
    information trolling and gathering” 
 |  | 
   
    |  | 
   
    |  | q | But, page
    pushing used more than 60% of the time by 
 | 
   
    |  | 
   
    |  | some real-time
    virtual reference services 
 |  |