Three things to note about Facebook Gifts: 1. Fascinating – and yet powerful – that the only promotion of Facebook Gifts is within the birthday alerts. It’s the definition of “in the river” marketing and promotion.
Jetsetter is known for great design (see here). Here is a good example of good design and effective mobile promotion.
I write a lot about targeted marketing – which means effecting messaging your users at the right moment and in the right place. I use the term “in the river marketing” to describe it. Here is a great example by Flipboard – a master at mobile design.
I frequently write about two ongoing themes: 1. the importance of “in the river marketing” (reaching targeted users at relevant points in the product / experience)