20.6m subscribers and $2.7bn revenue in 2009; 22.1m subscribers and $3.0bn revenue in 2010; 24.0m subscribers and $3.4bn revenue in 2011; 26.2m subscribers and $3.8bn revenue in 2012; 28.4m subscribers and $4.1bn revenue in 2013.
Tools: platforms to help you reach new audiences
Tools: Kaiber
In the year or so since its launch, AI startup Kaiber has been making waves,…