Paresh Dave:

The search giant on Tuesday announced an expansion of its advertising real estate to boost revenue from mobile shoppers. It will feature ads on the homepage of its smartphone app worldwide, show more ads in Maps and place ads with image galleries in search results.

The changes come as choppy revenue growth prompt questions from some Alphabet investors about whether services such as Amazon.com Inc and Facebook Inc’s Instagram are drawing online shoppers and in turn, advertisers away from Google.

Google executives told reporters on Monday the latest features were a response to how users behave, not competition.