Struggling smartphone vendor, Research In Motion (RIM) is said to be looking at various options to get out of the mess in which it currently finds itself. Among the options being considered are a tie-up with Microsoft and even selling out its networks business to a private equity firm or a technology company, Reuters reports. The latter move would be suicidal and indicate the end of RIM while the former seems unlikely as CEO Thorstein Heins remains committed to BlackBerry 10 platform, which has already been d...