Whoever owns the loop, a hire, a promotion or you, needs five things on day one.

1. The order file, taggedEvery order by customer and date, with the referring customer attached where there is one.
2. Admin on the referral appIncluding the exact event that pays inviters, and the terms.
3. A name at counselSomeone who has read the sweepstakes, consent and endorsement rules for your mechanics.
4. The top 20 invitersNames, what they bought, whom they brought.
5. A holdout digit on every profileWritten once, never recomputed.

Do this

• Pull last year's new customers tonight and tag the ones who came through someone. Look at the share.