A free browser extension call Sell Hack is being used to uncover the e-mail address of Linkedin users. The developers say that there is nothing illegal going on but LinkedIn is taking legal action.
Dropbox is admittedly, snooping through its users files in a bid to combat piracy, though it will not be deleting your files just yet. This is however being done in a non-invasive manner.
Increased crackdowns are being proposed by UK industry (Video-on-Demand) watchdogs Atvod in a bid to reduce the access rate of pornograhpy by children (minors under 18 years of age by UK law).