Related Party Transactions

We had the following transactions with related parties as of and during the three and six months ended June 29, 2019 and June 30, 2018:

CapitalG LP

On June 29, 2016, we issued Series A Preferred Stock to CapitalG LP, as described in Note 9. As a result of this transaction, Alphabet Inc., the ultimate parent of CapitalG LP (“CapitalG”), and all related affiliates of Alphabet Inc. are considered to be related parties. We had the following transactions with Alphabet Inc. and its affiliates during the three and six months ended June 29, 2019 and June 30, 2018 (in thousands):



	Three Months Ended				Six Months Ended
	June 29, 2019		June 30, 2018		June 29, 2019		June 30, 2018
Revenue	$	876	$	705	$	1,822	$	1,342
Selling and marketing expense	$	3,243	$	2,617	$	6,464	$	5,653

We had the following transactions with Alphabet Inc. and its affiliates as of June 29, 2019 and December 29, 2018 (in thousands):



	Period Ended
	June 29, 2019		December 29, 2018
Accounts receivable	$	325	$	421
Unbilled accounts receivable	$	474	$	680
Accounts payable	$	—	$	530
Accrued expense	$	967	$	403
Deferred revenue	$	115	$	1