Launched in 2016 during America’s presidential election, Google Posts was originally intended to be used by the candidates. In response to the extreme limitation, Google expanded the service to a number of local businesses in the same year. Here’s why it gained popularity among small- and medium-sized businesses so quickly:

What they can do
Google Posts basically allow users to communicate directly in the search results.

The odds of locating a needle in a haystack is almost zero, whereas the odds of finding the right match on Google Search are slightly better. We live in a world that encourages us to work at the speed of light, but we have so much information at our fingertips.