Sales. One component of your profit margin is your sales. Generally, the more coffee you sell, the higher your profit. There are a couple of things you can do to make sure your sales are as high as they can be. First, serve quality products. Second, hire a friendly staff.
Here, Annette Bening is in nerd glasses, those thick black frames that have become increasingly popular over the past 4 years (or so). You can see how her look is instantly transformed from the previous picture, just because of a change in frames. 3 of 19 Show All.
The best smartglasses 2017: Snap, Vuzix, ODG, Sony & more. Google Glass feels like a long time ago now, right? Let's declare the mourning period for that particular tech experiment to be over. Plenty of tech startups and companies are launching either totally new smartglasses or refined versions of old devices.