Meaghan Edelstein has gained national media attention through her blog, I Kicked Cancer’s Ass , which she started to document her battle with end stage cancer. She is an attorney, the founder of the non-profit organization Spirit Jump , and the Social Media Director for Smashyn.com . If you go online, watch TV or listen to the radio, you’ve probably heard about the Pepsi Refresh or Chase Community Giving Projects ; two huge campaigns from mega-conglomerates that are using social media to raise money and do some good

After more than six months of government scrutiny, it’s official: The Google mothership has finally absorbed mobile ad platform AdMob. More than six months ago, Google announced that it was acquiring AdMob for $750 million. However, a prolonged review by the FTC delayed the acquisition

In much the same way that Dunkin’ Donuts and Mountain Dew are tapping their online fans to create new products, Papa John’s is using Facebook to find their next speciality pizza.

A new clothing-themed charitable campaign from the guys behind lucrative social media marketing exercise I Wear Your Shirt is looking to get unwanted T-shirts out of your closet and onto the backs of a million people across Kenya, Uganda, DRC, Ghana, Liberia, Mozambique, Nigeria, Ethiopia, Sudan, Swaziland and South Africa. The 1MillionShirts project, launched this month, is asking for used (but decent) T-shirts to be sent in with a one dollar bill to help with container costs. The shirts will then be shipped to Africa to help clothe folks in need

If the dreary April weather isn’t enough to get you raring for summer to start, this blockbuster movie trailer mashup — courtesy of Screen Rant — should do the trick. Featuring footage from 24 trailers for this summer’s most anticipated films, this vid was a mighty feat on the part of Screen Rant’s own Mike Eisenberg

If you were to take 40 million active Twitter users, and normalize their background color to a single saturation, what would be the most popular colors used on the service? As part of the release of a number of new, free Twitter data sets, Infochimps created the following beautiful infographic showing just what color Twitter really is

This post originally appeared on the American Express OPEN Forum , where Mashable regularly contributes articles about leveraging social media and technology in small business. As a mostly virtual team with offices spread across three countries in two hemispheres, the entire WooThemes.com staff only gets together twice per year

Although the iPad will not support Adobe Flash , thanks to the mobile advertising network Greystripe , advertisers can still serve their Flash-based ads on the new device. Greystripe is now announcing its iFlash Ad Units product, which will let advertisers deliver Flash content to the iPad.

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