 Gartner research data showed that while the total smartphone industry grew 27 % between 2008 and 2009 , Windows Mobile 's share of the smartphone market fell 2 @.@ 7 % in that same period . It also decreased by 20 % in Q3 2009 . At one time Windows Mobile was the most popular handset for business use , but by 2009 this was no longer the case ; 24 % of planned business deployments of mobile application were for Windows Mobile , putting it in 3rd place , behind Blackberry ( 61 % ) and iPhone ( 27 % ) ; 
