What you need to know - 08/25/11

Legendary Apple CEO Steve Jobs resigns; Social business company Jive files to go public

Apple CEO Steve Jobs has officially resigned, citing his inability to continue fulfilling his obligations as CEO.  The 55-year-old pancreatic cancer survivor took an indefinite medical leave in January.  Jobs has indicated his wish to see Tim Cook succeed him as chief executive, as per the company's succession plan. Click here to see the note that Jobs wrote to shareholders and the Board of Directors.

Couchsurfing secured $7.6 million in new funding from Benchmark Capital and others.

Druva, provider of enterprise data protection solutions, raised a $12 million Series B funding round led by Nexus Venture Partners with participation from existing investor Sequoia Capital.

Mom-oriented daily deals site Juice in the City acquired the assets of fellow mom-driven daily deals site Gaggle of Chicks.

Google may have reached a settlement with the Department of Justice to the tune of $500 million—one of the largest settlements a single company has ever paid in a dispute with a government agency.

Jive Software, a provider of social business software, on Wednesday filed an S-1 form signalling that it intends to go public and raise $100 million in the offering. The company will be listed on Nasdaq under the symbol “JIVE.”

The Obvious Corporation, something of an idea incubator created by big Twitter names Biz Stone, Evan Williams and Jason Goldman, announced this week its first baby: Lift, a startup developing “an interesting application for unlocking human potential through positive reinforcement.”

Piazza, the education-based social network for college students, announced some startling statistics, not least of which is the fact that it’s seen 10x growth in instructor adoption.

Ticketmaster integrated with Facebook to make the ticket purchasing and event planning experience more social.

Virsto, provider of storage virtualization software, added another $5 million to the $12 million Series B raised in June of this year, bringing the round total to $17 million.

Vizibility, a proactive personal branding platform for individuals and companies, closed $1.3 million led by Launchpad Venture Group with participation from Boston Harbor Angels, New York Angels, TiE Angels and others.