Bengaluru man uses Excel to track friendships, shares 6 years of data: 'New friends are negative ROI'

A Bengaluru man tracked friendships on Excel for 6 years, calling new relationships “negative ROI”.
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Bayes' Theorem: What It Is, Formula, and Examples

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Bengaluru techie tracks friendships in Excel for 6 years: Why he calls new friends a 'negative ROI'

A Bengaluru professional goes viral after using a custom "CRM for friends" to calculate the 192-hour cost of trust. Discover ...