Facebook’s IPO and the new tech bubble
Michael Wolff: There's no doubt the Facebook IPO is symptomatic of a new tech bubble. The only question is when will it burst
Facebook share price set at $38
Social network's landmark flotation has investors clamouring to buy, but some analysts issue warnings about IPO
Pinterest valued at more than $1bn after raising $100m funding
Popular social network valued at between $1bn and $1.5bn following a $100m round of funding. By Charles Arthur
Facebook IPO: analysts warn investors away as more shares hit the market
As early investors decide to cash out, some consultants warn first-day bubble will burst once the cultural spectacle wears off
Five reasons not to buy Facebook shares
The sale will likely generate billions, but hidden just beneath the buzz are signs that not all is well for Silicon Valley's star
Facebook: a tale of two media models
Michael Wolff: The irony of the Facebook epoch is that old media covets its IPO billions, while new social media envies the old's content
Facebook IPO: the data behind our animation
Facebook is about to hit the stock exchange - but just how big is it and how has it grown so massive?
Ailing Nokia falls back on patents legacy
Mobile phone maker steps up quest for royalties from rivals that it says infringe its patents. By Charles Arthur
Broadband speeds in the UK: fast track to frustration
Dan Sabbagh and Juliette Garside: Responses to our survey highlight widespread anger and show that openness and investment in the sector are vital
BT’s superfast broadband network ‘risks being empty’
Chief executive of TalkTalk urges Ofcom to force rival to review pricing for fibre network. By Juliette Garside
Oracle-Google trial: both sides win, or lose, in the first round
Jury deadlocked on whether use of Java to build Android mobile operating system amounted to 'fair use'. By Charles Arthur
Can RIM afford to make developers wait for BB10?
Matthew Baxter-Reynolds: The paucity of the development tools for the BlackBerry platform let it down compared to its competitors. The improved tools for BB10 might be too late
Samsung Galaxy S3: the latest bid to dominate the Android market
A 4.8in screen on phone which adds voice controls and high-speed 'beaming' aims to cement Samsung's position in world smartphone and Google Android markets. By Charles Arthur
Ahead of Galaxy S3 launch, Samsung still trails behind iPhone in UK
Despite rapid adoption of the Samsung Galaxy SII, Comscore figures show Samsung is second most popular smartphone maker in the UK. By Charles Arthur
Rivals launch a printing revolution that could be as significant as Gutenberg
Landa and Xeikon to unveil new inkjet and toner technology at drupa exhibition in Düsseldorf. By Mark Piesing
Samsung and Apple now have more than 50% of phone market, says IDC
Latest figures for first quarter show growing dominance of two manufacturers while competitors such as RIM, Nokia, HTC and Motorola struggle for profitability. By Charles Arthur
Facebook IPO set for 18 May
Mark Zuckerberg to join Facebook IPO roadshow ahead of company stock market float on 18 May. By Charles Arthur
Roland Moreno obituary
Smart-card inventor who missed out on global recognition but was a hero in France
Organising against the enemies of internet freedom
Naomi Wolf: There are powerful state and corporate interests ranged against an open internet. We need a global movement to check them
Big Data age puts privacy in question as information becomes currency
Exploiting Big Data's opportunities will need a delicate balance between the right to knowledge and the right of the individual
YouTube loses music clip copyright battle in court
German court rules that YouTube must take down copyrighted music clips - a move which could lead to royalty payments
Google v Oracle: a far-reaching trial of characters as much as copyright
Google's battle with Oracle may have far-reaching patent implications, but the lay jury will rule by more personal criteria. By Charles Arthur
Microsoft revenues beat forecasts but Xbox and Bing disappoint as profits dip
Strength in Windows and Office divisions continues but online services and games console weakness drags profits back. By Charles Arthur
Oracle v Google court case over Android begins
Search giant could face billion-dollar payout if it loses – but even if it wins, it could be forced to reveal smartphone plans. By Charles Arthur
Google fined by FCC over Street View
Web giant to pay $25,000 for collecting personal information without permission and impeding investigation. By Charles Arthur
How tiny Estonia stepped out of USSR’s shadow to become an internet titan
The European country where Skype was born made a conscious decision to embrace the web after shaking off Soviet shacklesEesti keel | Estonian language version
Google posts strong first-quarter results and announces two-for-one stock split
Search giant's first-quarter earnings up 60% to $2.89bn year-on-year, but cost-per-click falls for second quarter in a row
Icann delays gTLD bidding for a week, blaming flaw in registration software
Organisation insists it has no suffered cyber-attack as $185,000 domain application deadline loomed. By Charles Arthur
Is Instagram the next YouTube or the next Flickr?
Instagram gives Facebook the hottest app in mobile, now the cutting edge of tech
From Instagram to Myspace: a guide to hip social startup acquisitions
Charles Arthur: The list of tech giants buying up hot web firms is long, but the clear benefits aren't
Instagram: what is Facebook getting for $1bn?
Is the social network just after another chunk of the world's visual memory, asks Guardian head of photography Roger Tooth
Bravo goes digging for drama (and finds plenty) in Silicon Valley
A forthcoming reality show enlists the help of Randi Zuckerberg (Mark's sister) and draws fire from the startup community
UK ‘exporting surveillance technology to repressive nations’
Fears that software similar to that which government wants to use in Britain is being sold to monitor dissidents abroad
Apple’s share price overtakes Google as it is forecast to be first $1tn company
Apple shares could soon hit $1,000, analysts predict, with China and television market key to growth