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hadnt give all that userprofile much thought i have to admit
but i got something like this on my mind:

PROFILE PAGE
* css user skinability & upload css
* ajax edit personal details on-page

REGARDING "Make it Like MySpace"
* groups *2
+ user groups
+ image groups (mediaBay)
+ folder groups (mediaBay)
+ buddy list (is like any other group, just shown on profile with on/offline status)
* new SQL layout *1 (look down)
* using comment system like the myspace guestbook
* using ratings system to have cooler things like mypsace
* using medaBay interoperability to have slideshows, an mp3player and such cool features

*1 i will most likely do a
The SQL structure should be like a reference table where we link the userid -> to the content (the thing you want to group) -> to the table with the type of content
the rights will be filtered as well as content availability through the cot system.

if i want to show the buddy of this user i can simply query one singly db
and let it show me all users with the on/off status for a specific user.

*2 the grouping will be available throug functions and tpl tags for the templates
(yeah, i make the new usergal completly without the fixed layout. there will be template!)