I will keep it brief. What are the Lessons from SuperHuman saga? Surreptitious tracking of users – call them prospects, call them customers, call them MQL, SQL or PQL – is not acceptable and will come back to bite you no matter what perceived benefits you think you get. Most Sales Tech that offers analytics of user engagement does it without explicit permission of the end user. Whether it is using pixels (99% users do not know of this technology and do not have image downloads disabled by default) and this is not the Wild West Coast anymore that we will hide behind the Buyer Beware signage.