I love Siri and want to use it more but I don't really..
What can I ask Siri apart from setting the timer and calling my friends?
Following apple's page: "Siri. Your wish is its command. Siri lets you use your voice to send messages, schedule meetings, place phone calls, and more. Ask Siri to do things just by talking the way you talk. Siri understands what you say, knows what you mean, and even talks back. Siri is so easy to use and does so much, you’ll keep finding more and more ways to use it."

So here are some links to make better use of Siri

If Apple does unveil an "iWatch" later this year, it won't be the first time the company considered a wrist-worn communicator, according to a recently-published retrospective of Apple's design history by legendary industrial designer Hartmut Esslinger.
Design history book "Keep It Simple: The Early Design Years of Apple," reveals Apple's first stab at a connected wrist watch from the 1980s.

When browsing trough your files with quick look, you can open the files right from the Quick Look window by clicking "Open in Preview" (or whatever the default app is for that file).

But when you don't want to open a file from quick-look in preview, you can actually click and hold or right-click on that button to open the file in any app you want—perfect for when you want to edit a photo in, say, Photoshop, instead of pre-viewing it!

There is a nice artikel at 'cult of make' about the Inside of Monument Valley: How ‘Impossible’ Sketches Became An Amazing Game