Y Combinator-backed RescueTime is a web-based time management tool that lets users monitor the time they spend on the Web, like what applications and websites they’re visiting most frequently, all in an effort to help heavy web users cut down on inefficient uses of their time. (Maybe those three hours in Chrome Angry Birds weren’t adding to your overall productivity, friend.) The service can be used on an individual basis or by businesses — priced by number of users per month — to help keep their employees on track and focused.

Ever wished you had an easy way to tell the world (and potential future employers) just how great you are at using Microsoft Office, Salesforce, and.. err.. Facebook?

Earlier today, a handful of members of the Google Docs team announced that they were doing something fairly unusual for employees at a large company: they’re giving members of the popular link-sharing site Reddit a chance to ask them anything (you can find the thread right here ). The team has now responded to plenty of questions, offering some insight into where Google’s free online productivity suite is headed over the coming months

Campaigns we featured this week used a few interesting and new ways of reaching out to Facebook users to grow their Pages, strengthen brand loyalty or align themselves with charitable causes. T.G.I.

I’ll be honest, I’m probably the first one on a flight to ignore the flight attendant’s announcement that “all portable electronic devices must now be switched to the ‘off’ position.” My reason? I simply don’t believe that one phone could cause an issue, especially since mine has been on during almost every flight I’ve taken

Did Facebook have fewer monthly active users in the United States at the start of June than it did at the start of May? What about user counts in other early-adopter countries like Canada and the United Kingdom. Is the company continuing to gain as many new users around the world now as it has in recent years? As we covered yesterday, Facebook appears to have had fewer monthly active users at the start of June than at the start of May in the US and a few other countries — at least according to one data source — even as it has grown bigger than ever worldwide

YCombinator has just announced its “Part Time Partner” program, which will bring in former YC alumni to mentor the most recent cohort of startups, like regular partners, but only 1/5 of the time. Joining the prestigious ranks of Paul Graham , Paul Buchheit , Trevor Blackwell , Jessica Livingston , former MIT professor Robert Morris , and Harjeet Taggar are Loopt’s Sam Altman , Posterous’ Garry Tan and Justin.tv founders Emmett Shear and Justin Kan , all from the first YC batch in 2005.

Facebook is trying to promote local business as well as complete the data of their listings with two new features on Places Pages: Recommend This Place and Community Edits. The Recommend This Place sidebar module on the Pages of local businesses lets users write a short recommendations which are published to the news feed and shown on the Page to friends

Golden, Colorado-based Proterra, Inc. — the makers of electric commercial vehicles, systems and charging stations for them— raised $30 million, the company announced today. The investment was led by Kleiner Perkins Caufield & Byers (KPCB) and joined by GM Ventures, Mitsui & Co., Vision Ridge Partners and 88 Green Ventures

AisleBuyer , a startup that’s looking to help do away with the tedious checkout lines seen in most retailers, has raised a $7.5 million round of Series E funding. Leading the round is Old Willow Partners, LLC (which led AisleBuyer’s first round of funding last year). The Boston-based company has now raised a total of $11.5 million (they raised $4 million in November 2010)