 While Microsoft may or may not endorse the original philosophy of free software, data shows that it does endorse open source strategically.Critics have noted that, in March 2019, Microsoft sued Foxconn's subsidiary over a 2013 patent contract; in 2013, Microsoft had announced a patent agreement with Foxconn related to Foxconn's use of the Linux-based Android and Chrome OS.The vast majority of programming languages in use today have a free software implementation available.