It’s essential in a touch interface that the feedback you get is continuous. That’s why when you scroll on an iPhone, you can scroll past the end of a page. The user continues to ‘feel’ that the interface is still responsive, otherwise the interface seems stuck. So program in such a way that there is always response.
Tip 2: Use as few Javascript libraries as possible
Javascript libraries generate a considerable amount of overhead on performance. It is better to make things mean & lean yourself. If you are able to do so.
Tip 3: (for the real geeks) treat the DOM in a mobile browser as ‘read-only’
Writing to the DOM is so expensive in terms of memory usage and CPU that it becomes unacceptably slow.
Stephen Woods’ entire presentation (with lots of technical tips) can be seen below.
The Payment Revolution is coming: welcome to interchange zero
We still remember Seth Priebatsch as last year’s keynote speaker on gamification . What has remained hong kong phone number list is his inimitable stream of words, the orange T-shirt and his orange sports sunglasses on his head. We wonder if he has slept since his last talk. But what has also remained is his ability to give a dazzling, entertaining and visionary presentation.
Priebatsch beautifully connects the rapid rise of mobile payment providers, the fact that for the first time in 30 years the cost of payment transactions is coming down and what.
His starting point is: “What would it mean if
A there were no more costs for payment transactions?” In short: if there were no . It’s about the more margins paid to banks or credit card companies just for the transaction. To give an idea: conservative estimates state that around 50 billion in transaction costs flow to the payment providers, even for something as simple as a debit card payment. Could that money end up somewhere else?
The rapid rise of many new payment companies via mobile phones (Google for example, but also Starbucks with their app) brings a lot of competition to a market that was traditionally dominated by Visa and Mastercard. These make it possible to come up with a new revenue model for payments. That revenue model is actually wrapped in the statistical value of all those transactions that lies with the payment atb directory providers. Think of it as “Foursquare check-ins on steroids”. You know the time, the intention, the value, the place of the payment and so on. That is of great value dealing with rejection to a business. So not capitalizing on the transactions themselves, but on the context of the transactions.
