| 1 | You can' t flex your biceps all the time. | |
| 2 | The best uses come from users - but they require help to scale. | |
| 3 | [Management needs to observe what works and then scale it up]. | |
| 4 | She had to concentrate on flexing her pectoral muscle, or the triceps, to power the arm. | |
| 5 | If you run a website that sees high traffic volume, then you should care about scalable computing infrastructure. |