The search for water on other planetary bodies has taken a giant leap forward in recent months.

In the last few years, this art has made a big leap.

Foxconn is proposing to do it all (pardon the inevitable pun) in one great leap forward.

But there is a subtle logical leap that, I believe, does not bear up under closer scrutiny.

But the highly sophisticated Siri software could represent a huge leap forward for the technology.