Markey's bill would require phone companies to notify consumers of tracking software on handsets
But one hosting company denies it has plans to do so
Proposal would have required ISPs to store 'Net browsing data for two years
Company downplays privacy, security concerns from former federal IT official
It requires companies to take measures to protect personal data of state residents
But decision leaves questions unaddressed over other types of location tracking
Buoyed by success of Web blackout, protesters say fight continues 'til bills defeated
Dismiss widespread online protests as political stunts.
Google, Wikipedia, Reddit, BoingBoing plan unprecedented Internet 'strike' Wednesday
