Update:1) Within recent months, there are some initiatives made by Poloniex team as efforts to build up more powerful exchange for crypto traders. Including: Adding more margin trading pairs (16 pairs so far); less 10x latency that gives better performance; better customer supports that solves nearly 99.9% of support tickets; and some significant improvements on Poloniex Mobile UI.

2) Yesterday, Poloniex also made the third donation to Grin General Fund.
Sources:https://twitter.com/Poloniex/status/1130883632263041029https://twitter.com/Poloniex/status/1130849980753690626