What do you see as the most important principles in of interaction design for IoT devices?

When we design new products, we turn to a lot of universal design principals to guide development. Think about this as the bread knife scenario. When it comes to IoT, this usually means the ultimate swiss army knife tool: The smartphone. In the end, you can use either the butter knife or swiss army knife…
_

Larisa:
Now that I have a boyfriend, my guy friend doesn't get invited anywhere because he's the only single person.
(1 January 2017)

Larisa:
And not my type). However, he is an incredibly kind person and is going through a lot of personal turmoil right now.
(1 January 2017)

Larisa:
We did spend a lot of time alone together, but I never found him attractive (I'm 5'6 135 lbs, he's 5'4 195 lbs.
(1 January 2017)

Larisa:
We've been friends for two years and, for that time, we're the only single members of our social group.
(1 January 2017)

Audry:
Hello everyone I need advice as am slightly panicking and have anxiety. Kindness is required and advice not preaching. Scared of pregnancy?
(1 January 2017)

Audry:
Should I worry and is it too early to do a test?
(1 January 2017)

Audry:
I got my full on period 13th December then had sex with my bf 23. He pulled out but we were very drunk I m worried...I m 39 he s 36. Been taking vitamin and black cohosh.
(1 January 2017)

Dorcas:
I really don't know what to do with her?
(1 January 2017)

Dorcas:
It's her first relationship though.
(1 January 2017)

Dorcas:
Well now, I don't really know what to do since she doesn't really show much affection as I do.
(1 January 2017)