article_snippet: One in five Instagram users now combine five Instagram users photos into a single image before uploading It to the app.
article_snippet: Instagram said that of the collages already uploaded to the app, 90 per cent of these contain faces.
article_snippet: Instagram said one in five users now combine five users photos into a collage on the site and 90% of these contain faces.
highlights_snippet: Californian firm said one in five people now combine multiple photos .
  