The call-for-papers is open. Send in your submissions now (don't wait to the last minute -- looking at you James!). Spread the word and send in the talks. See hbasecon.com for where.
Thanks all, St.Ack P.S. Also consider submitting something to berlin buzzwords. Its CfP is open till Feb 7th. It is a great conference europe-side. See https://berlinbuzzwords.de/