A week after Instagram Threads announced it had begun testing a search feature in Australia and New Zealand, the feature is today expanding to “most” English and Spanish-speaking countries, according to a post on Threads by Meta CEO Mark Zuckerberg. The expansion will impact countries where people post in English and Spanish, including Argentina, India, Mexico, the United Kingdom and the United States. Though Threads — Meta’s attempt at rivaling Twitter, now called X — had offered a rudimentary search feature when it launched, it would only surface Threads users, not their content. That changed with the launch of full-text...