Following a number of disparaging comments from Twitter, regarding Google's move to use information pulled from Google+ to provide personalised search results, the search engine giant has responded.
Twitter's general counsel, Alex Macgillivray, commented, by tweeting from his own account, stating the announcement marked a "bad day for the Internet," going on to add that search was going to be "warped."
Currently results from social networking sites, such as Facebook and Twitter, don't appear in Google's SERP (search engine results page).
Twitter, which has become popular in social media marketing, did previously have an agreement in place with Google - which saw Twitter posts appear in Google searches - but the contract expired in July last year and was not renewed.
A spokesperson for Google responded to Twitter's comments on the company's official Google+ account.
The statement read: "We are a bit surprised by Twitter's comments about Search plus Your World because they chose not to renew their agreement with us last summer, and since then we have observed their "no follow" instructions."
Danny Sullivan, from Search Engine Land, has since spoken to Google executive chairman, Eric Schmidt, regarding the issue.
Schmidt revealed that Google would be more than willing to talk to social media sites, such as Facebook and Twitter, about including their content in Google's search results.
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