* During several days of secret negotiations between Mark Zuckerberg and Instagram CEO Kevin Systrom, both founders tossed around numbers, including a potential value of $104 billion for Facebook. As for the social network itself, the company may go public on May 17. (The New York Times and TechCrunch)
* A court battle between Oracle (ORCL) and Google (GOOG) has begun, with the former claiming the latter's popular Android operating system infringes on several patents and copyrights. (CNNMoney)
* Ebay's (EBAY) latest quarterly sales and profits topped analyst estimates, with revenues climbing 29% to nearly $3.3 billion compared with the quarter before. (Bloomberg)
* Director James Cameron and Google executives Larry Page and Eric Schmidt are among several backers who are reportedly behind a new project that will "create a new industry and a new definition of 'natural resources.'" Could that new industry be asteroid mining? (The Verge)
* Tim Cook, venture capitalist Marc Andreessen, and Facebook COO Sheryl Sandberg made Time magazine's "100 Most Influential" list this year. (Fortune)
* Black car app Uber is testing out lower-priced taxi options in Chicago. (TechCrunch)
* Why we need a "fresh paradigm" for tech start-ups. (The Atlantic)
* Fun factoid: Video game consoles consumed nearly 70% of their energy in 2010 while idle. (The Verge)