we're also seeing consumers using these search filters. in fact the vaccination attributes are now within our top 15 most used filters on yelp. this really just shows us that it was the right thing to do to help people make more informed decisions. >> so i understand, and correct me if i'm wrong here, that this was in response to something called review bombing, basically overrunning a business page with one-star reviews from people who haven't been to the restaurant. to what do you attribute that review bombing and how prevalent is it? >> yeah. so review bombing incidents are primarily focused on people's stance on specific issues. for example, covid vaccinations rather than their actual experience with a business. all yelp reviews must be based on a firsthand consumer experience so we may place activity alerts on yelp pages