SaaS solutions can do this because of its pay-as-you-go approach versus the more expensive capex model.
They are offering higher-end services, like data and unlimited plans, in addition to the pay-as-you-go options.
The service was originally meant to become a pay-as-you-go offering after the Olympic and Paralympic Games.
People will be able to use the pay-as-you-go cards, also available at TfL information centres, straightaway.
The Administration proposed, and the Senate just joined the House in passing, statutory pay-as-you-go (PAYGO) legislation.
European countries are more likely to follow the voluntary route to reforming their pay-as-you-go systems.
For the first time, Ofcom has divided mobile complaints into two categories - pay-as-you-go and contract customers.
And the report also doesn't fully incorporate certain pay-as-you-go pension programs that are typically used in Germany.
Several countries offer cash for phones through a scratchoff card like those used to recharge pay-as-you-go phone plans.
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Domestically, Clinton supports universal health care, gun control, repealing Bush-era tax cuts, energy independence and pay-as-you-go budget practices.
Ten months later, the pay-as-you-go service is launching in beta, with "free" meaning 500MB of data per month.
After all, after years of living in a pay-as-you-go budget world, spending with abandon clearly had its attractions.
That will ruin the pay-as-you-go state pension schemes that provide the bulk of retirement income in rich countries.
In a young country, a pay-as-you-go system should yield surpluses, which can be invested in infrastructure and education.
Providers received less than 30 complaints per month from pay-as-you-go users, too few for Ofcom to provide data on.
Sometimes this leads to counter-intuitive behaviour, such as consumers preferring a flat all-you-can-eat fee when pay-as-you-go would be cheaper.
Another is that notional accounts, being pay-as-you-go schemes, remain vulnerable to political risk.
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Kerry said he would follow a fiscally responsible "pay-as-you-go" plan and clearly identify how new programs would be financed.
This is the trouble with the present pay-as-you-go system: it relies on future governments to keep their predecessors' promises.
She said pay-as-you-go internet access was also provided to military patients on request.
Pay-as-you-go phones, in particular, have the obvious advantage to criminals of being untraceable.
The most important may have been major changes to longstanding PAYGO (pay-as-you-go) rules that were designed to constrain federal deficits.
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Many European governments do not bother with a formal fund but use pay-as-you-go schemes, funding benefits out of future taxes.
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ISPs, that do not have other businesses to milk, are now choosing the second option: higher flat fees or pay-as-you-go.
In another financing solution, Simpa Networks provides solar power in rural India on a pay-as-you-go service through mobile payments.
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Mr Blackburn does at least concede that the clock cannot be turned back and pay-as-you-go restored to its former prominence.
These reforms are intended to encourage private pensions (by offering public subsidies and tax exemptions) to supplement the state's pay-as-you-go scheme.
As in other OCED countries whose populations are aging rapidly, Germany's pay-as-you-go state pension plan is on the verge of collapse.
Blacks are stiffed by the current pay-as-you-go Social Security system, because they die younger than whites and so collect fewer benefits.
Mr Zedillo reformed pensions, switching from a pay-as-you-go system to Chilean-style individual capitalised accounts for new workers, but with one embellishment.
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