A proper UX design research for say designing a door would include all aspects of design to the point of calculating even the granular details that might effect it’s interaction/experience with the user. Whereas UI designer's job would be interpret and implement the defined aspects of that door in to a tangible/interactive form.
Sherjeel Javed
An idea is like a fart, If you have to force it then it's probably shit
Sherjeel Javed

Walkthrough vs Coach marks

An incremental evolve from skuemorphic to flat/hybrid design ideology is a proof that an average smartphone user of today, is familiar with the basic idea of gestures, controls and behaviour. Creating opportunities for more minimal and to the point experiences..

When designing an app, it is paramount to devise a UX strategy which coincides with user’s comfort and familiarity. The idea is to design something that is intuitive, and translates in to an experience which has a minimal learning curve. This dictates as a basic rule of avoiding verbiage that might elude the user’s comfort zone. It is also a big reason why it is recommended to stick with the OS’s specific design guidelines when designing a native app. Walkthrough vs Coach marks

Resistance to change (A random ramble)

Every mobile app has a certain language. The goal should be to offer the simplest method of achieving the end goals with a minimum learning curve. Facebook or twitter are good examples of apps that have now, through time, have been embraced as a ubiquitous part of our daily lives. Both apps have a very unique take on social media and present too very different concepts, yet the users now have become accustomed to it’s language. Resistance to change (A random ramble)