Wirelessly communicating a data file

1. A method comprises:

sending a plurality of undecodeable portions of a plurality of data files via a public wireless communication network to one or more targeted devices of a private wireless communication network, wherein an undecodeable portion of a data file of the plurality of undecodeable portions represents one or more subsets of encoded data slices of one or more sets of encoded data slices, wherein each of the one or more subsets of encoded data slices of the one or more sets of encoded data includes less than a decode threshold number of encoded data slices to decode the data file,

and wherein the data file is encoded using a dispersed storage error coding function to produce the one or more sets of encoded data slices;

sending a plurality of data content indicators regarding the plurality of data files; and

in response to a selection of a data file of the plurality of data files based on a corresponding one of the plurality of data content indicators, sending, via the private wireless communication network, one or more additional encoded data slices of each of the one or more sets of encoded data slices such that, for each of the one or more sets of encoded data slices, the one or more targeted devices obtains at least the decode threshold number of encoded data slices to decode the data file.

2. The method of claim 1 further comprises:

the one or more targeted devices including a plurality of targeted devices, wherein a targeted device of the plurality of targeted devices provides the selection and wherein the one or more additional encoded data slices of each of the one or more sets of encoded data slices are sent to the targeted device.

3. The method of claim 1 further comprises:

the one or more targeted devices including a plurality of targeted devices, wherein a targeted device of the plurality of targeted devices provides the selection and wherein the one or more additional encoded data slices of each of the one or more sets of encoded data slices are sent to the

plurality of targeted devices.

4. The method of claim 1 , wherein the data content indicators comprises one of:

a non-confidential description of the data file;

a video graphic thumbnail of the data file;

non-classified information of the data file; and

a data file name.

5. The method of claim 1 , wherein a subset of the one or more subsets of encoded data slices comprises:

less than the decode threshold number of encoded data slices such that the data file is undecodeable from the less than the decode threshold number of encoded data slices.

6. The method of claim 1 further comprises:

the one or more subsets of encoded data slices including a plurality of subsets of encoded data slices, wherein, from subset to subset of the plurality of subsets of encoded data slices, the plurality of subsets of encoded data slices includes a different combination of encoded data blocks of the data file.

7. A method comprises:

receiving a plurality of undecodeable portions of a plurality of data files via a public wireless communication network, wherein an undecodeable portion of a data file of the plurality of undecodeable portions represents one or more subsets of encoded data slices of one or more sets of encoded data slices, wherein each of the one or more subsets of encoded data slices of the one or more sets of encoded data includes less than a decode threshold number of encoded data slices to decode the data file, and wherein the data file is encoded using a dispersed storage error coding function to produce the one or more sets of encoded data slices;

receiving, via the public wireless communication network, a plurality of data content indicators regarding the plurality of data files;

generating a selection response to select a data file of the plurality of data files based on a corresponding one of the plurality of data content indicators; and

receiving, via a private wireless communication network, one or more additional encoded data slices of each of the one or more sets of encoded data slices such that, for each of the one or more sets of encoded data slices, at least the decode threshold number of encoded data slices is obtained to allow decoding of the data file.

8. The method of claim 7 , wherein the data content indicators comprises one of:

a non-confidential description of the data file;

a video graphic thumbnail of the data file;

non-classified information of the data file; and

a data file name.

9. The method of claim 7 , wherein a subset of the one or more subsets of encoded data slices comprises:

less than the decode threshold number of encoded data slices such that the data file is undecodeable from the less than the decode threshold number of encoded data slices.

10. The method of claim 7 further comprises:

the one or more subsets of encoded data slices including a plurality of subsets of encoded data slices, wherein, from subset to subset of the plurality of subsets of encoded data slices, the plurality of subsets of encoded data slices includes a different combination of encoded data blocks of the data file.

11. The method of claim 7 , wherein the generating the selection response comprises at least one of:

an automated process based on at least one of a task, a geographic location, a group identification, and a time period; and

a user selection detection process, wherein the selection response includes identification of the selected data file.