3 ms·
Direct link to bell curve: https://upload.wikimedia.org/wikipedia/en/4/45/DiffusionOfInnovation.png https://upload.wikimedia.org/wikipedia/en/4/45/DiffusionOfIn
by ankit84 13y ago
Direct link to bell curve: https://upload.wikimedia.org/wikipedia/en/4/45/DiffusionOfInnovation.png https://upload.wikimedia.org/wikipedia/en/4/45/DiffusionOfIn...