You have likely heard of the Kepler telescope as it is one of the main instruments used in this search:

NASA’s Kepler Space Telescope has used this technique to become the most successful planet-hunting spacecraft to date, with more than a thousand established discoveries and many more awaiting confirmation. Missions carrying improved technology are now planned, but how much more can they tell us about alien planetary systems similar to our own?

The comments on the video are very spirited.  One commenter even says:

With this technique we only detect planets that are in the same plane with us, that is quite a little number, still we’ve detected so many… there must be so many worlds out there like ours.

What do you think will this work?  Feel free to comment.

thanks to NASA for the great info