Editor’s note : The following guest post is by Ashkan Karbasfrooshan, the CEO of  WatchMojo , a producer and distributor of premium video content. Follow him on Twitter @ashkan or @WatchMojo Last week, Erick posted an article on TechCrunch titled... 

One of the big problems with drug and prostitution transactions is that they tend to involve a lot of cash, and cash is hard to launder. Taking credit card payments has never been easier via Square , which lets anyone swipe credit cards with their iPhone.... 

Google is testing a feature that displays live-updating search results as you type your search query, no keystroke on “Enter” or “Return” required. When you start typing, the search box is relocated to the top of the site. Results... 

Google has acquired visual search and price comparison engine Like.com, according to an open letter posted on Like.com’s website. “Since 2006, Like.com has been moving the frontiers of eCommerce forward one step at a time,” said Munjal... 

The venture capital arm of Verizon, Verizon Ventures, has invested $400,000 in CardStar . The Boston-based CardStar makes a mobile app for iPhone, Android and Blackberry that lets users store all of their membership cards in one digital repository. The... 

Soon, some New Yorkers will be able pay for their purchases with their smartphones rather than their credit cards. Bank of America and Visa are working together to launch a new test program that will bring digital wallet capabilities to smartphones.... 

This post is part of Mashable’s Spark of Genius series, which highlights a unique feature of startups. The series is made possible by Microsoft BizSpark. . If you would like to have your startup considered for inclusion, please see the details here... 

It’s Friday. Anyone else feel like their brain is leaking out of their eye sockets, pooling on the floor like pink — wait, ew. Anyway, everyone’s probably feeling a little fuzzy at present, which is why this week’s YouTube roundup... 

Twitter has released a browser-based tweet button that provides a simple way for Twitter users to click to share the web page they’re on with followers. Twitter users can drag the “Share on Twitter” bookmarket to their browser’s... 

Jim Tobin is president of Ignite Social Media , where he works work with clients including Microsoft, Intel, Nature Made, The Body Shop, Disney and more implementing social media marketing strategies. He is also author of the book Social Media is a Cocktail...