in january 2007, the alliance comprised 11 contributing member companies, and over 200 individual members. while the number of contributing companies has remained relatively stable, individual membership grew to over 800 by december 2008, and reached 2000 in 2010. in 2008 the alliance began publishing a blog, the apdex exchange, and in 2010, began offering educational webinars. these activities address performance management topics, with an emphasis on how to apply the apdex methodology.