-Pingg is a good thing, people. Or least that's how Martha Stewart and her people at Martha Living Stewart Omnimedia feel. This week They invested $2.8 million in the start-up, which makes invitation and event management software.

-ShopIt, a "social shopping service," raised $2.5 million in second round funding. Here's how it works: sellers can create a "store" on the site, and then can integrate their store's widget anywhere on the web including into social networks like Facebook and MySpace.

-Digital Performance, a software company that makes programs for after-market auto parts dealers, secured $3.2 million in first rounding funding last week. Who knew this was such a burgeoning market?

-Semiconductor maker ZeroG negotiated $17 million in venture capital funding this week. The company says it plans to direct the new capital toward the development of its main product: a low cost, low power chip that allows users to communicate with other electronic devices like sprinklers, garage doors, and medical devices from the Internet.

-Glassdoor.com, a place where employees can complain, er, review their employers, received $6.5 million in series B funding this week. They say they'll use the money to continue growth.

-Helium.com, an "online journalism exchange," closed $17 million in first round funding this week. The site allows users to write and publish news items, which are then rated and ranked by other users. Hey, given that newspapers are bleeding reporters, now they'll have somewhere to go for copy!

-DFine, a biomedical company that develops devices to treat vertebral fractures, roped in $30 million in funding. This is their fourth round of funding.