Its limitations are those of the physical universe: it won't let you play with some really wild ideas that aren't possible, but are fun to speculate about. ↗
There may be something to the suggestion about the pace of technological change intimidating writers, though - it's been awfully hard to keep ahead of real developments. ↗
What SF can do better than anything else is show us the range of our possible futures, and what we can do to realize the good ones and avoid the nasty ones. ↗
Some of the biggest changes that have happened are behind the scenes, in the way we produce the magazine. E.g., much of our production has been brought in-house via desktop publishing. ↗
This means I must pay close attention to the writing, but equally so to the scientific background - which sometimes means doing fairly involved calculations. ↗
When something hasn't been around much for a while, and one example of it turns up and catches people's eyes, they go looking for more like it - until they get tired of it again. ↗
The life of men and women is so cheap and property is so sacred. There are so many of us for one job it matters little if 146 of us are burned to death. ↗
