What you need to know - 04/28/11

YouTube founders acquire Delicious from Yahoo; ReachLocal shares shoot up 32 percent

Emory University has launched a project to trace the origins of some 9,000 Africans who were kidnapped in the 19th century as part of the Trans-Atlantic slave trade.

Clarizen, provider of work execution software, secured $12 million in venture funding led by Opus Capital Ventures, with participation from existing investors Benchmark Capital, Carmel Ventures and DAG Ventures.

Facebook has hired the developers behind Daytum, a service for collecting and categorizing data in your life. The service will remain online as it is now.

YouTube founders Chad Hurley and Steve Chen have purchased social bookmarking site Delicious from Yahoo.

eBay reported that revenue for the first quarter of 2011 increased 16 percent to $2.5 billion, compared to the same period of 2010.

Online gifting site Giftiki raised a $1 million round led by Tim Draper, with participation from Transmedia Capital, Crosslink Capital, and Goldhill Capital.

Inspirato, the "next generation destination club," closed $11 million in new capital.

LinkedIn performed a study of its own community to find out which names are most common among CEOs in the United States. The answer: short one- or two-syllable names for men and longer, formal names for women.

Market sharing secured over $1 million from K2 Media and App Fund.

Late-stage venture capital firm Meritech Capital Partners (MCP) closed $425 million for its fourth late-stage fund.

Shares of ReachLocal (RLOC) shot up 32% to $23.66 in Wednesday trading, after the LA-based company posted better-than-expected quarterly results.

Sparkfly secured $2.5 million in institutional capital for its mobile engagement platform, SparkQuest.

Spiceworks closed a $25 million Series D round from new investors Adams Street Partners and Tenaya Capital and existing investors.

Jack Dorsey’s newest startup, electronic payments service Square, received an unspecified investment from Visa. As part of the deal, an unnamed Visa executive now sits on Square’s advisory board.

Zynga acquired social gaming studio Wonderland Software, which is now Zynga Mobile UK.