docs(README): update FAQ a bit

README.md

@@ -974,24 +974,16 @@ If you find yourself wanting to use `imitate()` with a MemoryStream, you should
 
 **Q: What's the difference between xstream and RxJS?**
 
-A: Read this [blog post](http://staltz.com/why-we-built-xstream.html) on the topic.
+A: Read this [blog post](http://staltz.com/why-we-built-xstream.html) on the topic. In short:
 
-**Q: What is the equivalent of [`withLatestFrom`](http://reactivex.io/rxjs/class/es6/Observable.js~Observable.html#instance-method-withLatestFrom) in xstream?**
-
-`withLatestFrom` is implemented as an extra named [`sampleCombine`](https://github.com/staltz/xstream/blob/master/EXTRA_DOCS.md#sampleCombine). It may also be composed with existing operators:
-
-<!-- skip-example -->
-```js
-A.withLatestFrom(B, (a, b) => a + b)
-```
-
-can be composed in *xstream* with
+- xstream Streams are multicast always.
+- RxJS Observables are unicast by default, and opt-in multicast.
+- xstream has few operators *as a feature* (helps against decision paralysis).
+- RxJS has many operators *as a feature* (helps for flexibility and power).
 
-```js
-B.map(b => A.map(a => a + b)).flatten()
-```
+**Q: What is the equivalent of [`withLatestFrom`](http://reactivex.io/rxjs/class/es6/Observable.js~Observable.html#instance-method-withLatestFrom) in xstream?**
 
-And can be interpreted/read as "when a `B` event happens, remember it and map it to all the subsequent events of `A` mapped to `a + b`".
+A: `withLatestFrom` is implemented as an extra named [`sampleCombine`](https://github.com/staltz/xstream/blob/master/EXTRA_DOCS.md#sampleCombine).
 
 -----
 

markdown/footer.md

@@ -12,24 +12,16 @@ If you find yourself wanting to use `imitate()` with a MemoryStream, you should
 
 **Q: What's the difference between xstream and RxJS?**
 
-A: Read this [blog post](http://staltz.com/why-we-built-xstream.html) on the topic.
+A: Read this [blog post](http://staltz.com/why-we-built-xstream.html) on the topic. In short:
 
-**Q: What is the equivalent of [`withLatestFrom`](http://reactivex.io/rxjs/class/es6/Observable.js~Observable.html#instance-method-withLatestFrom) in xstream?**
-
-`withLatestFrom` is implemented as an extra named [`sampleCombine`](https://github.com/staltz/xstream/blob/master/EXTRA_DOCS.md#sampleCombine). It may also be composed with existing operators:
-
-<!-- skip-example -->
-```js
-A.withLatestFrom(B, (a, b) => a + b)
-```
+- xstream Streams are multicast always.
+- RxJS Observables are unicast by default, and opt-in multicast.
+- xstream has few operators *as a feature* (helps against decision paralysis).
+- RxJS has many operators *as a feature* (helps for flexibility and power).
 
-can be composed in *xstream* with
-
-```js
-B.map(b => A.map(a => a + b)).flatten()
-```
+**Q: What is the equivalent of [`withLatestFrom`](http://reactivex.io/rxjs/class/es6/Observable.js~Observable.html#instance-method-withLatestFrom) in xstream?**
 
-And can be interpreted/read as "when a `B` event happens, remember it and map it to all the subsequent events of `A` mapped to `a + b`".
+A: `withLatestFrom` is implemented as an extra named [`sampleCombine`](https://github.com/staltz/xstream/blob/master/EXTRA_DOCS.md#sampleCombine).
 
 -----