1. Traditional approach
   1. No context - All-in-one
      1. One phone number - One cellphone number
      2. One email address
      3. One messenger account
      4. One Social Network
2. Divide and Conquer approach
   1. Personal context
      1. Home phone number
      2. Personal email address
      3. Personal messenger account
      4. Social Network
   2. Work context
      1. Office phone number
      2. Work email address
      3. Work messenger account
      4. Social Network?
   3. College context
      1. College email address
      2. That project forum
   4. Other contexts
3. Contacts
   1. Personal
      1. Family
      2. Close friends
   2. Work
      1. Partners
      2. Providers
      3. Clients
   3. College
      1. Mates
      2. Techers
   4. Other people
      1. New people?
      2. Unknown people?