Google now is sort of an intelligent personal assistant that depending on the data that Google gathers knows you pretty well. One of the coolest functions of Google now is the voice recognition functionality.
Gmail offers you a new way of organizing your emails in tabs. You have a tab for you personal conversations, a tab for social media related emails, promotional emails with offers and a couple of more tabs.
Microsoft Word allows you to add the comments to text, images or basically anything included in the document. It's a great way do review a document and suggest the changes that should be made.
Image having a Google Calendar at your hand and disposal in a matter of only one click. Pretty nice I would say, let me introduce you to this mighty useful Google Chrome extension.