Here are our top five links to external resources we tweeted this week:

• Read how @actualinsights takes a look at trust logos with Usabilla: recognition precedes presence – http://usabil.la/nGJnLZ
• The S.M.A.R.T. User Experience Strategy – http://usabil.la/nSgcPJ (via @smashingmag)
• What is Amazon’s approach to product development and product management? – Quora http://usabil.la/nzpUkL
• The Psychologist’s View of UX Design http://usabil.la/n5w1mM (via @uxmag)
• 37signals.com homepage evolution – http://usabil.la/noIsuH