How does one take advantage of this situation? There will be technologies which: (1) despite better quality, but won't have enough traction (OS/2 v Windows),

How does one take advantage of this situation? There will be technologies which: (1) despite better quality, but won't have enough traction (OS/2 v Windows), (2) thrive just fine, while their crappy cousin continues beating them in popularity year after year (PostgreSQL v MySQL) (3) despite being better on paper, fall short in actual use (Android v iOS) (4) ___________________________ Without fame, how does one evaluate technologies; it's impossible to try them all. How does one proceed?