* courier
 * schedule
 * meeting
 * planning
 * whiteboard
 * team
 * info
 * announcements
 * lists
 * memos
 * notes
 * mindmap
 * referat
 * summary
 * common memory
 * tool
 * introductions
 * guides
 * small groups
 * sharing
 * avoid spam
 * selecting
 * signing up
 * doodle
 * welcoming table
 * anonymity
 * discretion policy
 * respect
 * flexibility
 * rules
 * transparency
 * sensitive info
 * profiles on variable websites:
   * woofing
   * helpex
 * reviews
 * documenting
 * photodocumenting
 * digital mindmap
 * sharing 
   * notes
   * practical info
 * references
 * source
 * outside contributions
 * easy interaction
 * upload
 * relevance
 * weekly reviews (fronda)
 * groups tags
 * shared folders
 * presenting ideas
 * construction plans
 * construction visions
 * visualizations
 * virtual map
 * accounting system - ledger
 * shop
 * donations
 * services
 * communicating to the public
 * booking
 * share dreams
 * public display
 * check lists
 * list management  tools
 * car pooling
 * transportation
 * web tools
 * project management
 * calendar
 * photo gallery
 * film
 * planet
 * languages
 * sms