Facebook appears to have hired a director of investor relations in addition to some data center staff and engineers, according to its  Careers  page. Various other staff in business development, marketing and user operations were hired, according to the company’s  LinkedIn  feed

Manipulating images for your website is such a tedious chore. You need to open Photoshop, click your mouse about ten thousand times, then save the file and upload it. Then next month you redesign your site and suddenly need to re-size all your image elements again! Startup Cloudinary has a good alternative for you: use custom URLs to transform your images in the cloud ! I was a bit skeptical when I first read about Cloudinary, but after five minutes of goofing around with it I’m sold.

Facebook has updated its Open Graph publishing guidelines to require social news and video apps to wait at least 10 seconds before posting “read” or “watch” actions to a user’s Timeline. This will prevent Open Graph applications from being able to publish stories on behalf of users immediately after they click a link.

Yancey Strickler, co-founder of Kickstarter , dropped us a line about the systems in place to “hide” failed projects.

Solar Mosaic , an Oakland, California-based startup that is creating a crowdfunding platform specifically for solar energy projects, has taken on $2.5 million in Series A funding. The round was led by Spring Ventures with the participation of Serious Change, Jim Sandler, Steve Wolf, Tom Chi, and a group of angels from the “Toniic” investor network. The round was first disclosed in an SEC filing that surfaced earlier this week which was reported on by GigaOM’s Earth2Tech blog.

Another day, another iPhone 5 leak. This time we’re looking at a four-inch long front panel of what appears to be a new iPhone.

It was just last September that we covered the launch of Prescreen , the startup founded by former Groupon and Zoosk execs that aimed to help independent films find the publicity they nearly always lack. To do so, they built a curated, on-demand video platform that would give filmmakers and distributors an alternative to traditional ad and distribution channels, while giving users an easy way to discover low-budget films they wouldn’t otherwise. In February, Prescreen redesigned and relaunched with Facebook Open Graph integration, and in March added Netflix founding exec Mitch Lowe to its advisory board

I’m smack dab in the middle of my HTC Evo 4G LTE review (the full review will be up tomorrow), but as I judge, I felt the need to bring John Biggs into the mix for a little Fly or Die. Now, John is notoriously hard on Android phones, namely because they’re all incredibly similar.

Y Combinator’s Paul Graham recently begged entrepreneurs  to consider “ frightening ambitious startup ideas ,” like building a better search engine or replacing universities. “Any one of them could make you a billionaire,” said Graham. “That might sound like an attractive prospect, and yet when I describe these ideas you may notice you find yourself shrinking away from them,” he said.

What’s the best thing that I (and others) learned at D10 this year?