Pinterest, the popular social network that works as a pictorial noticeboard, is getting redesigned. It will now have bigger pins that have an arresting look. Each pin page will also include a few related pins from the same board or website, so that users have more choice to browse. The changes that are being tested since January also makes the site faster and lets users navigate easier. With the redesign, it’s easier to locate a pin curated by friends or celebrities. There is a web analytics sections for site owners. The start-up is valued around $2.5 billion.