The phrase "mobile activity" is correct and can be used in written English.
It refers to any activity that is done on a mobile device, such as a phone or tablet. Example: "The rise of mobile activity has greatly impacted the way people consume media and communicate with each other."
Facebook, in particular, has been very successful in its bid to move huge swaths of mobile activity, much of it ad-friendly, to its flagship app.
Last year, average mobile activity during the week of 21 December was higher than any other week of the holiday season.
The change is driving a revolution in the busiest time for retailers, with spikes in mobile activity before breakfast and during the most popular evening TV shows.
The desktop computer market is forecast to shrink this year, as computing becomes a more mobile activity, via laptops, smartphones and tablet computers like Apple's iPad.
"In our view, in the next three to five years, mobile activity will grow three to four times faster than PC-based internet activity".
In coming years, as we do more and more with our mobile devices, whichever company can get us to use its dashboard will have a big advantage in other areas of mobile activity, especially commerce.
Core mobile activities also remain under quite severe pressure.
Iowa houses were domed structures, and the people used tepees when hunting or engaging in other mobile activities.
The services available today "are interesting games," says Julie Ask, a vice president and principal analyst at Forrester Research who studies consumer mobile activities.
The other post was written by Hiroshi Lockheimer, vice president of engineering for Android, and addressed Europe's concerns about Google's mobile activities.
Prior to joining Nokia in May 2004, he was Senior vice president at IMG Media/TWI, responsible for the group's mobile activities in sports, entertainment, TV, radio and online, including production, rights and technology.
