For the past few years, Palo Alto-based ImagineK12 has run a startup accelerator exclusively for education technology entrepreneurs. But Socratic Labs and LearnLaunchX are bringing similar models east.

CrowdFlower, a startup that helps businesses manage crowdsourced labor for tasks like image moderation, is looking to expand the types of jobs it can tackle with the launch of new Skill Tests — which, as you probably guessed, are online tests used to measurement workers’ proficiency in various skills.

Until now, anyone doing work on CrowdFlower had been able to access any job. As people do the work, the company performs automatic and human checks to ensure that the results are up to par — if someone’s work isn’t adequate, then all of their results are removed.

InfoArmy — a startup built on the “Data 2.0″ concept of crowdsourced competitive intelligence — has today sent out a letter, printed in full below, to its researchers informing them that it is pulling the plug on its current business model after failing to find enough sales for the research reports, and being unable to sustain the quality of the work that was being produced. As a result, it will be offering reports on its site free of charge and will no longer be paying researchers for their contributions, as it tries to figure out what to do next.

Question: when does your mobile app also need a web experience? Answer: when the app is essentially an e-commerce shop. Sesame, the recently launched mobile gifting app from Sincerely, a company known for its mobile photo postcard and greeting card applications, is now web-friendly with the debut of the Sesame online store. Like its app-based counterpart, the web store will allow users to browse through the various gift boxes for sale, including the trio of new additions for Valentine’s Day, then purchase and send them without the need to install an app on their phone.

U.K. startup onefinestay — which has attracted backing to the tune of $15.9 million — has patented a keyless entry system to make it easier for homeowners to manage comings and goings. It’s clearly hoping to remove a few more barriers to potential home hosts signing up — not to mention offering them a bit of a carrot in the form of some cutting edge digital convenience.

TechStars, the national startup accelerator program based in Boulder, Colo., is partnering with Chicago’s Excelerate Labs to create the rebranded TechStars Chicago.

Dexetra, the makers of Friday, a contextual personal search application for Android, has raised a Series A round of funding. The investment comes from Sequoia Capital (India) and Qualcomm Ventures, and is in the “millions” (between $1 and $2 million). The company won’t disclose the final amount because there’s still a possibility that new investors will be joining the round at a later date.