[onedoug]

In a few more years we will be able to detect earth-like planets, and will discover that there are a lot more of them than anyone suspected...

Though around what type of star? Ours is a G2V. There's one nearby, but it's part of a trinary system. The next one is hundreds of light years distant.

Conditions for technological life might well be a lot rarer than we once thought.

[UCANSEE2]

“Conditions for technological life might well be a lot rarer than we once thought. “

Actually, it was pretty rare here on planet Earth, until very, very recently.

[Does so]

"...Conditions for technological life might well be a lot rarer than we once thought..."

We are alone.