David Sims
David Sims was the editorial director of O'Reilly Network.

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David blogs at:
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Commerce Weekly: Bump taps mobile payments

April 12 2012

Bump enlists PayPal's help in tapping mobile payments. Also, a columnist wonders when Apple will save the mobile payment space. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Commerce Weekly: The do's and don'ts of geo marketing

April 05 2012

Placecast's CEO describes layers of context that make for rich, geo-targeted messages. Also, talent flees Google Wallet, and Facebook's IPO may make life harder for mobile carriers. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Commerce Weekly: Google Wallet vs Isis is coming soon

March 29 2012

Mobile wallets are in their infancy, yet pundits are already handicapping future showdowns. Also, in-app purchases show increasing promise as mobile revenue streams. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Why StreetEasy rolled its own maps

March 19 2012

Google's decision to start charging for its Maps API is leading some companies to mull other options. In this interview, StreetEasy's Sebastian Delmont explains why and how his team made a change. read more

Commerce Weekly: PayPal's Here service takes on Square

March 15 2012

PayPal introduces its own credit card reader, AmEx asks you to tweet it out, and Asymco visualizes the smartphone market. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Understanding place and space in a decreasingly English world

March 12 2012

Robert Munro, a computational linguist and speaker at Where 2012, says the subtleties of spatial distinctions are growing in importance as more of the world's digital information takes the form of non-English, unstructured text. read more

Commerce Weekly: An app to end tab walkouts

March 08 2012

Tabbed Out pays the bill even if you leave the bar. Also, Square takes a ride in NYC taxis and an iWallet patent appears. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Why Uber's data fascinates a neuroscientist

March 06 2012

Neuroscientist Bradley Voytek's interest in networks and nodes goes beyond the human brain. Here, he discusses the data generated by car-service company Uber and how the company has influenced his research. read more

Commerce Weekly: Small banks lagging in mobile

March 01 2012

As banking goes mobile, smaller banks must find a way to keep up. Also, Netflix data is deconstructed at the Strata Conference, and commerce-related highlights from the Mobile World Congress. read more

Commerce Weekly: The mobile payment system that's ready now

February 23 2012

Direct billing stretches beyond its gaming roots, social commerce disappoints, and a refresher on how to dial a phone. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Commerce Weekly: Google defends its Wallet

February 16 2012

Google calmly responds to concerns about its Wallet application, yet another one-click payment method emerges, and Adele fans won't be using Spotify. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Commerce Weekly: Facebook finds a mobile commerce partner

February 10 2012

Bango will run Facebook's mCommerce platform, Google Wallet hacked, and PayPal pilots shopping walls. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Commerce Weekly: The return of iPhone NFC rumors

February 02 2012

When will Apple bring mobile commerce to the iOS masses? Also, PayPal studies consumer behavior at the cash register and Square collects for candidates. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Commerce Weekly: Target doesn't want to be the showroom for online retailers

January 26 2012

Target asks vendors for exclusive products so online retailers can't sweep in with lower prices. Also, Apple's monster earnings included strong iTunes growth. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Commerce Weekly: Slow in-app purchasers are worth the wait

January 19 2012

Study finds that users who wait to make their first in-app purchase are worth more. Also, Bitcoin's popularity is rising, and PayPal expands its point-of-sale program. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Commerce Weekly: Report criticizes "feeble" mobile strategies of posh retailers

January 12 2012

A survey finds high-end brands are neglecting their mobile strategies. Also, Sprint rolls out two new Google Wallet phones, and PayPal's mobile volume beats its own guesses. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Commerce Weekly: Yahoo's new CEO has data focus

January 06 2012

Yahoo's new CEO sees gold in the company's datasets, and the week between Christmas and New Year's Day is chock full of app downloads. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Commerce Weekly: Daily Show skewers freemium CEO

December 15 2011

The Daily Show questions Tap Fish's addictive business model, Isis chooses an NFC partner, and a new survey says consumers may think mobile payments are more secure than credit cards. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Commerce Weekly: Verizon drops Google Wallet

December 08 2011

Telecom's resistance hints at more mobile payment fragmentation, criminals take the "swipe" part of "swipe-and-pay" literally, and Starbucks uses augmented reality to create a viral marketer's dream. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Commerce Week: Cyber Monday lives up to hype

December 01 2011

Cyber Monday 2011 was the biggest online spending day ever. Also, a restaurant owner explains why he likes Groupon Now, and RIM pins its hopes on NFC. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Commerce Weekly: Bring your mobile to Black Friday

November 17 2011

Brick-and-mortar retailers adopt the "if you can't beat 'em ..." attitude toward mobile devices. Elsewhere, Android developers are intrigued by the Kindle Fire, and Square wants to put loyalty program punch cards out to pasture. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Commerce Weekly: Chasing down abandoned shopping carts

November 10 2011

In the latest commerce news: Online retailers want to reunite customers with their abandoned shopping carts, Intuit aims at Square with a deal for AT&T subscribers, and PayPal takes a baby step toward NFC. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Commerce Weekly: Chasing down abandoned shopping carts

November 10 2011

In the latest commerce news: Online retailers want to reunite customers with their abandoned shopping carts, Intuit aims at Square with a deal for AT&T subscribers, and PayPal takes a baby step toward NFC. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Commerce Weekly: Square upgrades Card Case with geofences

November 03 2011

Square's Card Case adds geofencing capabilities to allow merchants to tap passers-by. Oracle's new survey finds users are becoming more comfortable about sharing location data, but they're still sheepish about transactions. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Commerce Weekly: Groupon's long and winding road to an IPO

October 27 2011

We take a look at Groupon's bumpy road to an IPO and its slow-but-promising Now product. Also, Square makes a deal with Walmart and WestJet will test tap-and-pay in the skies. read more

Commerce Weekly: Groupon's long and winding road to an IPO

October 27 2011

We take a look at Groupon's bumpy road to an IPO and its slow-but-promising Now product. Also, Square makes a deal with Walmart and WestJet will test tap-and-pay in the skies. read more

Commerce Weekly: Google juices its Wallet

October 20 2011

If you own a Nexus S 4G and Google Wallet you've now got more ways to pay and save. Also, eBay's commerce channels boost the company's Q3 revenue. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Commerce Weekly: Google juices its Wallet

October 20 2011

If you own a Nexus S 4G and Google Wallet you've now got more ways to pay and save. Also, eBay's commerce channels boost the company's Q3 revenue. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Commerce Weekly: PayPal wants to "one click" across the web

October 14 2011

PayPal Access is a single sign-on tool that enables transactions — and it's got sweeping ambitions. Elsewhere, a reporter searches for Bitcoin's developer. (Commerce Weekly is produced as part of a partnership between O'Reilly and PayPal.) read more

Recent Posts | All O'Reilly Posts

David Sims