The document discusses facts about Instagram. It notes that the original name was Codename but it was changed to Instagram before launch. The first picture posted was by co-founder Kevin Systrom in 2010 of his dog as a test. Instagram is now the top platform for brands and businesses to promote products and services with over a billion monthly active users. It is owned by Facebook which bought it in 2012 for $1 billion. People love to share food photos online with pizza and sushi being most common, and Cristiano Ronaldo has the most followers at over 195 million, surpassing Selena Gomez.