This article is about an antitrust case brought by Texas, 14 other US states, and the Commonwealth of Puerto Rico against Google alleging that they compete unfairly.

From the filing:

VII. ANTICOMPETITIVE CONDUCT

Google forces publishers to license Google’s ad server and trade in Google’s ad exchange

Google uses its control over publishers’ inventory to block exchange competition

Google blocks publishers from sending their inventory to more than one marketplace at a time

Google blocks competition from non-Google exchanges and deceives publishers about Dynamic Allocation

Google restricts information to foreclose competition and advantage itself

Information asymmetry causes publishers and advertisers to trade on non-Google exchanges at their own risk

Google forecloses competition by using inside information to win auctions

Google blocks competing exchanges from accessing publishers’ high-value inventory and reaps the benefits for itself

A new industry innovation called “header bidding” promotes exchange competition;

Google wants to kill it

Header bidding facilitates competition among ad exchanges Google creates an alternative to header bidding that secretly stacks the deck in Google’s favor

Facebook helps Google “kill” header bidding with an unlawful agreement

Google gives Facebook a leg up in its auctions in return for Facebook backing off from header bidding.

Google and Facebook agree in the Jedi Blue agreement to a secret “Win Rate.”

Google forces market participants to re-route trading through Google

Google trades ahead of bid orders to foreclose exchange competition

Google deceives exchanges to forgo header bidding

Google deceives publishers to disable rival exchanges in header bidding

Google cripples publishers’ ability to measure the success of rival exchanges in header bidding.

Google obstructs publishers’ use of header bidding through caps

Google uses its scale in search to punish publishers that use header bidding

Google’s ad server gives exchanges that forego header bidding a leg up

Google excludes competition through “nontransparent pricing.”