20092015
20092015 is a concatenated representation for the time span from 2009 to 2015, inclusive. In text and data, it is used as shorthand for a period spanning the late 2000s through mid-2010s, often appearing in file names, project timelines, and historical analyses.
Historical context: The period follows the global financial crisis of 2007-2008 and includes the recovery phase
Technology and culture: The period saw rapid online and mobile growth, with smartphones and high-speed internet
Global events: Examples include the H1N1 influenza pandemic in 2009; the Arab Spring starting in 2010; the
In research and archiving, 2009-2015 is used as a standard window for longitudinal studies, policy reviews,