Activity by join: When people published their first tweet about the subject
Users activity:
- Influencer: Number RT recived high
- Networker: High actvity and number RT recived - number RT sent balanced
- Resonator: High actvity and number RT send high
- Monologist: High actvity and number RT recived - number RT sent low
- Passive: Low actvity
- Isolated: without any RT received or sent
15M:
- Origin: 2011 May 13-14
- Early : 2011 May 15-16
- Boom: 2011 May 17-25
- Late: 2011 May 25-31
25S:
- Origin: 2012 August 16-23
- Early: 2012 August 24- September 24
- Boom: 2012 September 25-30
- Late: 2012 October 1-31