[Air-L] the growth of some groups and not others

[Frank Thomas]

Murray Turoff wrote:
> The standard design philosophy currently being used in many social network
> systems is to encourage the user to sign into the site and duplicate
> functions like exchanging messages in different formats.  For many users
> this is too much a waste of time in that most important things are carried
> out by the user in their current message environment.  The addition of
> groups that social networks finally recognized (they existed in some systems
> in the 70's) 
>   
Would you please give more details on this ? Which one,  and how did 
they differ from today's ?

- ft


>   
>> Distinguished Professor Emeritus
>>     
> Information Systems, NJIT
> homepage: http://is.njit.edu/turoff
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