"There are no glass ceilings on any particular category," says Robin Terrell, head of Tesco's online business.For Tesco, the world's third-biggest retailer, the challenge of mastering online grocery while shoring up its traditional business is acute.
If anyone wonders whether Barnes & Noble has mastered online bookselling, just try, as I did this week, to order from its not-ready-for-e-time "same-day delivery" service.
It isn't that they've mastered online advertising, either.
There were delays of 4 to 5 seconds in switching between accounts, but in many ways it was simpler and easier to master than online Web banking on a PC.
Because Google cares, because Google is the master of online advertising, because Google sees the future, because Google says so, everything will be fine.
If you're a great card player, table-top gamer, or a master of online shoot-em-ups, there might be a way to make money by convincing people you know you can beat to bet on a game with you.
It has since gone on to become the undisputed master of online-payments processing.
Then I was doing a masters in online communities, and from my thesis it was very clear that there was a need for this collaborative platform for journalists.
Ten ways to make better business decisions Introducing new products - the business benefits of diversifying The steps small businesses should take when chasing debt Perri Lewis is content director at Mastered, an online education platform.
Ms. Branco says that because of her four jobs, which require skills as diverse as developing lesson plans and mastering an online ticketing system, she has become more adept at dealing with a wide range of people and situations: "I've learned to be very adaptable, because one day I'm corporate, the next day I'm start-up, and the next day I'm nonprofit".
