Even old stalwart Microsoft (via Bing and LinkedIn) is in line for worldwide ad growth figures not seen since the days when its ad revenue base was much smaller and high growth was easier to achieve. Keen observers will note that our company list is missing one major player.

The lawsuit claims that the two companies worked together to suppress smaller search engines like DuckDuckGo and Bing, and that the two companies shared tens of billions in profits from search ads. Why it’s worth watching: Apple and Google have already come under fire in the UK for their smartphone “duopoly” with iOS and Android, respectively.

Google still nets the majority of US search ad revenues, but it’s Amazon—not another general search engine, such as Bing—that has taken significant share of the market at Google’s expense. (And other retailers like Walmart have since had success with similar products.).

It has been Amazon, with its ecommerce channel search ads—not the second-place general search engine Bing—that has carved away share from Google. This suggests that for advertisers, Google’s most significant competitors for keyword-targeted ad dollars are ecommerce properties. Where Do Consumers Start Their Searches?

Before Bizible, Dave worked at Microsoft on the Bing marketing team. He graduated with a degree in entrepreneurship and marketing from the University of Toledo.

He has run a global digital agency, the Bing Webmaster Tools program (and been part of the team that launched Schema.org) and ran the SEO program for MSN in the US & Americas. During his 20+ year career, he's authored two books through McGraw Hill, offered guidance to Fortune 500 companies, spoken at hundreds of digital marketing conferences worldwide and helped the White House with their websites.