Search Results with Instant Preview

Yesterday Google announced the launch of a new feature in their search results that suppose to help users choose the best result from each SERP – an instant preview / thumbnail of each search result that is available by a simple click on a new magnifying glass icon that appears on the site of the search result title.

The new feature was not visible to me until just now where I noticed it’s activated on one of our clients:

What do you think about it and the effect it would have on the CTR of organic results?