We'd like to offer you the job adcirca 20 mg prix But overall, its position with business customers has collapsed. Three years ago, BlackBerry could point to a market share of nearly 70% among business customers in North America, according to IDC. This year, that figure has dropped to around 5%, IDC says. Globally, BlackBerry's business-market share has slipped to around 8% from 31% in 2010, according to IDC.