EghtesadOnline: Looking for up-and-coming startups is a competitive business in Silicon Valley, but it becomes much harder when one of the field’s highest-profile practitioners is your boss.

EghtesadOnline: Salesforce .com Inc. will not bid for Twitter Inc. because the business software company and the social media business would be a poor fit.

EghtesadOnline: Twitter Inc faces an uncertain future after Saleforce.com Inc, the last of the companies believed to be interested in buying the troubled social network, said on Friday that it would not make a bid.