jack dorsey

Maija Palmer

Coffee and techies go together like donuts and policemen, one the voracious consumer of the other. They have named programming languages after the stuff.  And so the alliance between Starbucks and Jack Dorsey’s Square mobile payments start-up seems quite natural.

Starbucks has never been shy of experimenting with technology, having been one of the first US coffee shop chains to offer customers free wi-fi access. Starbucks also has its  own mobile app, which allows customers to pay for their coffees using a phone. Although these mobile payments are still just a tiny fraction of overall revenues, it is considered one of the most successful mobile payments systems in use so far.  Read more

Richard Waters

Jack Dorsey, the creative talent behind Twitter, has clearly taken a leaf from Steve Jobs’ playbook. But revolutionising in-store payments will be a lot harder than persuading people to pay for digital music. Read more

David Gelles

Square, the much-hyped mobile credit card processing system created by Twitter co-founder Jack Dorsey has a big problem: it doesn’t work with the iPhone4.

In a blog post buried deep in the support section of Square’s website, the company acknowledges that the Square card reader interferes with the already problematic iPhone4 antenna.

“This renders our card readers inactive for your iPhone4,” the company wrote on October 9. “We are working on redesigning our card readers and will be contacting our iPhone4 users as soon as they are ready for shipment.”

Update: Square has clearly been scrambling for a fix for awhile now. The day after this post was published,  they emailed to say that, “As of today, we have shipped new card readers to to active users who are accessing Square via an iPhone 4.” Read more