Here is today’s roundup of news related to local marketing and advertising, local media, technology, local commerce, consumer behavior and more.

Gen-Z Will Account for 40 Percent Of All Consumers By 2020 (May 8, 2018)
GeoMarketing: “As with Millennials, the Gen-Z adults of tomorrow are too multitudinous and diverse to assert that they are alike in all significant ways.”

Google Image Search updates guidelines, adding structured data, speed and more (May 8, 2018)
Search Engine Land: “Google has finally refreshed content for its image search publishing guidelines.”

Study: 83% of marketers question effectiveness of retargeting ads (My 8, 2018)
Marketing Dive: “The Nanigans research highlights that despite a continued barrage of retargeted ads, their impact to boost a brand’s bottom line remains murky.”

Google: Site Changes Can Take Months to be Reflected in Search Results (May 8, 2018)
Search Engine Journal: “If site changes were implemented around the same time as a known Google algorithm update, any gains/losses in traffic are not necessarily a result of the recent site changes.”

For the First Time, Consumers Are More Likely to View Ads Online Than on TV (May 7, 2018)
Adweek: “GroupM unveiled its 2018 “State of the Digital” report, which predicts where people worldwide are expected to consume content in the coming year.”

Your Voice-First Future is Here (May 7, 2018)
Street Fight: “Companies in virtually every industry are already thinking ‘voice first’ when considering new products and new marketing opportunities.”

Google, YouTube To Reach $19B In Local Search Advertising (May 7, 2018)
MediaPost: “With Amazon and Bing nipping at their heels, Google and YouTube continue to take share of the search market — particularly on mobile devices and in local markets, where rivals remain weak.”