Enables faster city buyout.
Using it summons a blimp, which is also used in the Space stage in the Trader ability called Cash Infusion. The blimp will then fly over to the selected city and fill up the Economic takeover bar. Using the Global Merger sends blimps to all remaining cities. Ad Blitz is the economic version of Gadget Bomb, although using Ad Blitz doens't give a -90 relationship with all nations.