3 ms·
Not surprising. The 80-20 (or 90-10) rule (top 10 to 20% of paying customers account for 80 to 90% of your revenues) applies to all sorts of businesses.
by mikepmalai 15y ago
Not surprising. The 80-20 (or 90-10) rule (top 10 to 20% of paying customers account for 80 to 90% of your revenues) applies to all sorts of businesses.