Among the biggest winners of a successful IPO would be co-founder Evan Williams with a 12 per cent stake.
England beat France 2-0 in an emotional friendly at Wembley on Tuesday when more than 70,000 fans paid tribute to the victims of the Paris attacks with English fans roaring out a spine-tingling rendition of the visitors' national anthem.
Images from the English Premier League matches played on Saturday
Paris spells r-o-m-a-n-c-e, oodles of it. Those who've visited cannot get enough. Those who haven't cannot stop wishing
Images from the Champions League matches played across Europe on Tuesday
The world champions now have 19 points while Poland, 8-1 winners over Gibraltar, are on 17.
You can see Messi, Suarez and other South American superstars play in the Copa America. Why then are soccer fans ignoring the oldest football tournament and looking forward to the European championships, which begins in France on Friday?
Malta make Italy sweat, while Bale takes Wales closer to competition
A round-up of all the international friendlies played on Tuesday
Photos from the Champions League matches played across Europe on Tuesday
