[Update: However, FAN will not compete with mediation services Twitter's MoPub. Instead, it can tap into it to simultaneously show ads from FAN and other ad networks. You can read more about how FAN and MoPub play nice in our follow-up article.] While it may take a few quarters for FAN to spin up, it could become a serious source of revenue for Facebook.
Its economists figure that a full takeover by either party could result in a short-term enactment of all of the fiscal belt-tightening at once in the first quarter of 2013, for reasons of arcane political gamesmanship, which "would be a serious source of uncertainty for the market, businesses, and individual taxpayers".
This is becoming a serious source of income for gamers who stream across these services.
This in part reflected the growing awareness in the 1990s that practices to provide security for populations, such as policing, surveillance, and broader military activities, often represented the most serious source of insecurity for peoples.
If future features are all priced at a dollar and similarly addicting, features like SuperSwipe can quickly add up to potentially become a serious source of revenue for Bumble.
"I think this is a major, serious source of new significant revenue for Google," Mr. Rubin said.
The freebies and miniature packs of everything, from shoe-cleaning kits to peanuts, are also a serious source of joy - not just for kids.
The presence of common lead contamination in zircons used for U Pb geochronology is a potentially serious source of error.
Make network news a source for serious investigative journalism, the kind that isn't afraid of offending anyone.
At first, Forman seems an unlikely source for serious scholars.
