LookSmart Group Inc. sold Clickable to Brand Networks, a provider of marketing and advertising services.

"The divestiture of Clickable will enable us to focus on the fast-growing business of Connected TV advertising, which is growing 40 percent annually," LookSmart Group CEO Mike Onghai said in a May 28 news release.

Financial terms of the deal were not disclosed.

LookSmart is a search advertising network and management company.