π Link on Facebook 1.0 Vendor: Facebook Version: 1.0 The π Link emoji is not supported on Facebook 1.0. 1.0 was released on Feb. 1, 2014. Related π Link on Facebook 4.0 π Link on Facebook 3.1 π Link on Facebook 3.0 π Link on Facebook 2.2.1 π Link on Facebook 2.2 π Link on Facebook 2.1 π Link on Facebook 2.0 π Link on Facebook 1.0