Santa Monica-based virtual server and cloud computing provider Infinitely Virtual is bragging today that it has seen a revenue jump of 70 percent in 2012, due to interest from small and midsized businesses in its services. The firm--which didn't disclose any actual revenues--said it now expects to grow more than 50 percent in the current year. Infinitely Virtual is led by Adam Stern, and offers up cloud-based versions like QuickBooks and Microsoft Office.