New OS X trojan injects ads into pages browsed by Chrome, Firefox, and Safari; even targets Apple’s website + MORE

Braintree’s $26.2 million deal to buy New York’s mobile payments startup Venmo seems to be paying off once more for the Accel-backed company.
The company is launching an easier way for collaborative consumption startups — which could include Braintree’s best known-clients like Uber and Airbnb — to pay their contractors or users…

Facebook is testing a new way to encourage admins to make posts to their pages this week by starting a post with a link to their website attached and asking, “What have you been up to?”
This tactic could help page owners come up with ideas for what to post to their fans. Facebook has been trying a number of phrases within the composer box, including “Share how your day has been” and “Keep people up to date on your latest holiday news” a few months ago…

Facebook’s cover photo policy, a source of confusion and frustration for many marketers, received an update today, eliminating rules against contact and pricing information and calls to action.
Earlier this year, the social network’s 20 percent text rule went into effect. Unsure of how Facebook would implement such a restriction, many Facebook Page owners weren’t aware (or just ignored) the other rules that were previously in place…

A Playhaven developer was fired after making sexual jokes in the audience during a keynote session at PyCon, a conference for Python developers. Now Adria Richards, a developer evangelist for SendGrid, is getting rape and death threats via Twitter.
Richards was sitting in the audience immediately in front of two developers…

A new trojan specifically for Macs has been discovered that installs an adware plugin. The malware attempts to monetize its attack by injecting ads into Chrome, Firefox, and Safari (the most popular browsers on Apple’s desktop platform) in the hopes that users will generate money for its creators by viewing (and maybe even clicking) them…

Over the past eight years, YouTube has grown at an astounding rate, localized in 53 countries and across 61 languages with over 72 hours of video uploaded every minute.  But this evening, the online video giant announced that it has hit its biggest milestone yet—one billion monthly users.
According to a post on the YouTube blog, “Tens of thousands of partners have created channels that have found and built businesses for passionate, engaged audiences…

If you’re all about basketball, Twitter is the place for you. According to Twitter, there are over 400 players on Twitter, representing nearly 90% of the NBA.
But wait, we said NCAA not NBA! Yes, don’t worry – Twitter has those teams too. And they’ve made following all of them easy…

Facebook has updated its policy for pages’ cover photos, eliminating rules against calls to action, contact info or references to price or purchase information, while maintaining the 20 percent limit for text overlay.
The new guidelines give page owners more flexibility in the type of content they include in their covers…