Chikodi Chima is a general assignment reporter at VentureBeat covering emerging technologies, startups, venture capital investing, cleantech and online movements. He loves productivity apps, beautifully designed things and companies that are using technology to solve big problem.You can reach him at chikodi@venturebeat.com (all story pitches should also be sent to tips@venturebeat.com). Find Chikodi on Twitter at @Chikodi.

stories by Chikodi Chima

Kids (and adults) will have fun learning math with Hungry Fish for iPad

Video games for the iPad are an unlikely ally in the fight to help America’s students close the achievement gap in math. But that’s just what startup Motion Math has in mind.

Motion Math is a San Francisco game design …

Tiny Review iPhone app makes everyday photos into special moments (exclusive)

As photos become the new status update, we’re going to see big changes in the way people create, combine and consume words and images. The latest example is from a 500 Startups company called Tiny Review, which unites microblogging and …

BitGym’s new workout-as-game iPad app sees healthy amount of in-app purchases (video)

Exercise good for your health (but boring), while video games are fun (but make you fat). A startup called BitGym is hoping to combine the best aspects of the two with a workout app for the iPhone and iPad that …

4 RockHealth startups that will keep you healthy and sane over the holidays (video)

The holidays are supposed to be joyous, but they’re mostly a stressful time full of rich meals, grueling travel and over-commitment. It’s easy to neglect our personal health, or let an exercise regime lapse, when we’re busy and its cold …

Siri helps Apple sell 30 million iPhones in Q4, shares could hit $510 (analyst)

Analysts believe Apple is on target to sell 30 million smartphones by the end of the December quarter, beating previous estimates of 28 million phones. Sales of the highly-anticipated iPhone 4S have no-doubt been fueled by Siri, the voice-powered virtual …

Sales tax doesn’t change online shopping behavior (study)

Taxing online purchases would do little if anything to change consumer behavior and would not return shoppers to “main street” shops, according to a new Forrester report.

Forrester analyst Sucharita Mulpuru writes that eight percent of survey respondents would change …

Instagram is Apple’s No. 1 app of 2011 in a year heavy on fun and sharing

If you made plans for your weekend, you might want to kiss them goodbye.  Apple yesterday released its iTunes Rewind 2011 list, with the 40 top  iPhone and iPad apps of the year. The iTunes store now has more than …

CEO claims Zynga could double paid users after IPO, and he’s probably right

Zynga co-founder and chief executive officer Mark Pincus said today that his company could double its number of paid subscribers.

Zynga has about 215 million monthly users. Roughly 7.7 million of these users have purchased Facebook Credits, which can be …

Klip version 2.0 brings even more goodies to its video-sharing iPhone app

More than 115 million smartphones were sold during Q3 of 2011, according to the latest Gartner report, and almost all of them have some video capability. But with the spike in video creation comes a new problem: what to watch. …

BestVendor is the utility belt for small business apps

Being successful in business is about knowing what your competitors know and being able to act on it. If you could find out what kinds of work tools are helping your competitors stay lean and mean, it could be a …

Verizon fixes technical issue blamed for nationwide 4G LTE outage

Wireless provider Verizon is America’s favorite national network, but it is not immune to an occasional case of the sniffles. A technical issue is being blamed for a service disruption that knocked out 4G LTE service to wireless customers nationwide, …

Edmodo wants to be the cloud leader in EdTech, raises $15M more

Education technology is a red-hot market, and both startups and investors are taking note.

Edmodo, a social network for education, stands poised to benefit tremendously from the great shifts taking place in educational delivery. The company announced today that it …

Apple job posts reveal Siri’s future: API, sleeker interface and more

It’s not every company that makes waves over new job postings, but Apple is not every company. Apple has two positions open for iOS engineers to work on the next generation of Siri, the voice-powered personal assistant for the iPhone …

LivingSocial closes $176 million round. How far off is an IPO?

Daily deals site LivingSocial has closed a monster $176 million round of financing, according to documents filed with the Securities and Exchange Commission today. VentureBeat has learned that the $176 million is the first tranche of  $400 million the company …

Consumer Reports and Facebook users agree: AT&T is America’s worst wireless service

America’s most unpopular cell phone company has hit a new low. AT&T Wireless was rated last in customer experience by subscribers of Consumer Reports for the second year in a row.

And people don’t like AT&T on Facebook very much, …

Microsoft offers Windows 8 developers a better deal than most app stores

When Microsoft Windows 8 launches in 2012, it’s going after developers with one thing that truly matters to many of them: money.

The new operating system will feature the Windows Store to sell third-party apps. It’s a direct competitor to …

Luxury deals site MarkaVIP pries open the door for Arab e-commerce

The frontiers of e-commerce are wide open, and the countries of the Arab world could be the next online consumer hotspot.

Luxury deals site MarkaVIP is focused on expanding e-commerce into Arab countries, and its growth has been steady and …

Google to add local deals to Google+ mobile check-ins (updated)

Update: A Google spokesperson confirmed to VentureBeat that location-based deals will be coming to Google+ next week:

“While prepping for a test of a new check-in offer feature, we published a support center article a little early and have since 

Mobile payments war escalates as Verizon blocks Google Wallet on Galaxy Nexus

Verizon wants to own your mobile identity, which may be why the company has blocked the Google Wallet mobile payments app on the forthcoming Samsung Galaxy Nexus smartphone.

Verizon is instead banking on the Isis mobile payments platform, which was …

Ticketfly partnership makes music events more intelligent and more social

Ticketfly is rolling out new partnerships today that make the pre-concert experience more social for attendees, and eliminate a lot of the logistical headaches for venues and promoters.

Ticketfly partnered with technology providers Aloompa and Intellitix to make event management …