Results are expected Sunday night
The European Union took the lead last year by implementing a strict General Data Protection Regulation (GDPR) policy making platforms' access to customer data more transparent and easier for users to control.
Britain was originally due to leave the EU on March 29, but Brussels agreed an extension after the British parliament rejected the withdrawal agreement negotiated with May.
Spot gold was down about 0.1 percent at $1,303.14 per ounce as of 0110 GMT, after touching its highest since March 28 at $1,306.09 in the previous session.
The US Trade Representative on April 8 proposed a range of EU products ranging from large commercial aircraft and parts to dairy products and wine to target as retaliation for subsidies given to Airbus.
The European Commission said it had sent statements of objections setting out the charges to the companies, nearly two years after carrying out dawn raids at the their premises.
In her letter, Theresa May notes that it is not in the interests of the UK or the EU to go down this route, but accepts it as an inevitable "legal obligation".
The renegotiated US trade agreements include a clause for nations to notify the US about any trade arrangement with China.
The EU competition regulator, which did not provide details of the concessions, extended its deadline for a decision on the deal to June 5 from May 13.
The pivotal vote takes place on the day Britain was supposed to leave the European Union, until May asked the bloc's leaders last week for a little more time.
Article 13 forces social media platforms, like Facebook, Google and YouTube, to have responsibility over unlicensed user-uploaded copyrighted material.
May pledged on March 27 night that she would stand down if the deal were approved, in hopes of blunting opposition from lawmakers who have criticized her leadership.
If Britain is still an EU member on that date, it would have to take part in the vote, and wrangling over Brexit would continue to disrupt the European political agenda for months or years to come.
All of the deals, including one on French exports to China of frozen chicken, amount to a total of some $40 billion.
Xi earlier arrived at the resort city of Nice accompanied by his wife Peng Liyuan to be welcomed by French Foreign Minister Jean-Yves Le Drian and an honour guard.
Lawmakers have twice rejected the deal.
But after seven hours of summit brainstorming on Thursday, her 27 peers kept a host of options open, ramping up pressure on parliament to support May, giving Britain an outside chance of staying in for much longer - but also preparing to deflect blame for the chaos of any no-deal Brexit.
The EU's powerful anti-trust regulator has slapped tech giant Google with a new fine over unfair competition, in Europe's latest salvo against Silicon Valley.
The EU has been in talks on trade with Washington since July 2018, when US President Donald Trump agreed to hold off new punitive tariffs while the two sides worked on ways to improve economic relations.
A year earlier it slapped Google with a fine of 2.42 billion euros for abusing its dominant position by favouring its "Google Shopping" price comparison service in search results.
The UK had voted to leave the EU in a referendum in June 2016.
Lawmakers inflicted another crushing defeat on beleaguered Prime Minister Theresa May, voting to reject the divorce deal, even after she secured further guarantees from Brussels.
Less than three weeks before Britain leaves the European Union, the EU's chief negotiator Michel Barnier said on March 8 Britain could have the unilateral right to leave their customs union after Brexit.
Without a solution in a future arrangement, the current deal agrees to keep the UK in a customs union with the EU until a better answer can be found.
India and the EU will step up cooperation in research and innovation, Jean-Eric Paquet, Director-General of Research and Innovation, European Commission said.