Contact book is the most common personal social network database - database on phone includes personally identifiable Information (such as the first and last names, email addresses, phone numbers, mailing addresses) and also various other parameters (call length, time, frequency, location and etc.), and it could be a key to organize our social lives. Yoyo is a smartphone application which visualize personal relationships through various mappings for better network management upon observations.
Yoyo App answers:
Who are the most intimate?
Who buzzes me the most?
Who is emotionally away from me?
Who needs a call for relationship maintenance?
Yoyo App was a collaborative project with programmers and graphic designers in Guangzhou, and it was already implemented in smart phones made by Huatune.