Here are some general rules of thumb:
If the water source you will be pulling from is stagnant a pump system may be the best method to treat water in both a solo and group setting.
If the water is expected to be flowing while traveling solo the lightest weight options will generally be UV light or chemical treatment.
If there are two or more traveling in a party and the water is expected to be flowing a gravity filter may be the best method to accommodate the group’s water needs.
. He had been traveling with a companion who he says died at sea several months ago.
Think you could have survived?
Full Story here: http://www.foxnews.com/world/2014/01/31/man-washed-up-on-boat-on-marshall-islands-says-been-adrift-16-months/ 
AndroVid can be purchased off the Google “Play” application market. The free version will allow you to do all the operations required to select any image as a photo from a video, Pro will gives you additional features.
https://play.google.com/store/apps/details?id=com.androvid
Apple: Video 2 Photo
Video 2 Photo allows you to export one or more high quality photos from your videos on your apple device.
https://itunes.apple.com/us/app/video-2-photo-extract-still/id487353844?mt=8
Tips:
-Set the screen brightness on low to help conserve battery
-Check the cameras resolution settings, the higher the resolution the more space the video will take up. Make sure you have enough space available for the video before you go live your moment.
3.In AndroVid, on the top tool bar, click the camera image that says “Grab”.
4. Search the video for the desired frame for the picture. Click the camera icon on the top right to grab the image.
5. Save the image, directly upload it, or open up the new image in a different program for further processing.
Tips:
-If battery conservation is important while traveling you can choose to select your photos later when the time is more appropriate.
-Low on storage space? After you retrieve the picture from the video you can delete the video to create more available space.
Here’s a slightly different version we found too, let us know if you try making either!
In this discussion of lightweight shelters we will be looking at 5 basic shelter options for use in back country travel and discuss some of the advantages and drawbacks of each system in terms of protection they provide.
The scope of the shelter systems we will inspect are:
No Shelter, Water Resistant Breathable Bivy, Waterproof Breathable Bivy, Open Tarp, and the Mid Tarp.
With each option we will be discussing the attributes of each shelter system in terms of its protection from dew, wind, rain, snow, and insects.
A bivy sack is an extremely small and lightweight shelter that can be used as an alternative to a tarp or tent for a shelter. What makes it water resistant or waterproof is the fabric that it is constructed with. Waterproof bivy sacks, even with the advance of waterproof/breathable fabrics like Gore-Tex and E-Vent, are less breathable than water resistant bivy sacks due the different fabrics they are made of. In result, waterproof bivy sacks can commonly become uncomfortable and moist inside.
Open Tarps
Open Tarps are simple shelters commonly rigged with hiking poles, tent pegs, and guy lines. They come in many designs, from simple rectangle pieces of nylon or plastic to more elaborate shaped cuts made with extremely lightweight and durable fabrics such as cuben fiber. They typically are floorless, though ground sheets are commonly used to keep occupants off bare ground.
Mid Tarps
Mid tarps are similar to open tarps in the way they are rigged, however their design creates a full enclosure with a small gap at the bottom for ventilation.
No Shelter- Without any protection, dew may be strong enough to soak a sleeping bag which can cause it to lose its loft and warmth. If there is no time to dry it out the accumulative effects over a couple days may wreck havoc to a sleeping system. If dew is a concern a synthetic bag during good weather may be a better suited option when traveling without a shelter.
Water Resistant Breathable Bivy- Because the fabric is not fully waterproof heavy dew is still likely to soak through the permeable fabric, yet it provides more protection than having nothing.
WPB Bivy, Open Tarps, Mid Tarp- The remaining shelter systems offer full protection from dew.
No Shelter– Having no shelter provides little protection from inclement conditions. However, the study of wilderness survival skills can help mitigate risk and provide shelter as adequate as the skills, tools, time, and materials that are available to an individual or group.
Water Resistant Breathable Bivy– Provides slightly more protection than no shelter. It is a popular option to combine a WRB Bivy with an open tarp to create a more adequate shelter system.
Waterpoof Breathable Bivy– Although WRB Bivy provides better protection from wind and rain, during a snow storm they are subjected to snow loading. Snow loading is the accumulation of snow on a shelter which can affect the integrity of the shelter. With both WRB and WPB bivy sacks the snow accumulation can compresses the insulation in a sleeping bag which will result in a loss of warmth.
Open Tarps- When analyzing the adequacy of open tarps in inclement conditions it is important to note that protection depends on how and where the tarp is pitched. Understanding campsite selection techniques may increase the ability of an open tarp to provide protection in these conditions. Remember in most situations open tarps will usually have at least one or more open faces to the wind. Open tarps are also subject to snow loading because the structure lacks support. Snow loading can warp the tarps structure and possibly lead to seam failure.
No Shelter– Very little protection from bugs without a shelter. However, during cold seasons bugs may not be an issue.
WRB Bivy and WPB Bivy– As long as the bivy is closed it provides excellent insect protection.
Open Tarps- Open tarps by themselves offer very little insect protection. However, open tarps can have no-see-um mesh sewn around the perimeter that can provide adequate protection from bugs. The mesh can also bring small gains in rain protection as droplets accumulate in the lining.
Mid Tarps– Although the bottom of a Mid tarp remains open allowing crawlers open access, the mid tarp provides better protection from flying bugs because the tarp has no open sides. Additionally, flying bugs may seek warmth which gathers towards the top of the tarp, remaining out of the area of the occupant. Mid tarps can also be paired with no-see-um mesh which will increase its bug protection.
Many of the shelters discussed can be less than one pound and smaller than a large water bottle.
But what shelter provides the most protection? It may depend.
Displayed in the chart below are the averages from each of the ratings that each shelter was given from above.
No Shelter– Having no shelter provides very little protection but has the lowest weight. Carrying no shelter is ideally suited for experienced travelers in good weather when the objective is to keep pack weight at the maximum minimum.
WRB Bivy– Provides more protection in inclement conditions than not having a shelter and provides excellent protection against bugs. A popular option is to pair a WRB bivy with an open tarp to create more adequate protection from dew, wind, and rain.
WPB Bivy– Provides greater protection against dew, wind, and rain than a WRB Bivy but may carry additional drawbacks. Waterproof breathable fabrics such as Gore-tex have come a long way but still lack adequate protection against condensation. You may be dry from the rain, but inside the bivy you may find that condensation and sweat can build up and dampen your bag internally and lead to uncomfortable sleeping conditions. Additionally, bivys provide little in respect to livability.
Open Tarps– Open tarps create the most debate about its adequacy of protection. When dealing with open tarps outdoor experience plays a major role in how the shelter will serve. Open tarps allow flexibility in the ways it can be pitched to accommodate different scenarios. With the addition of mesh lining around the perimeter, the tarp can supply adequate bug protection. When combined with a WRB bivy its protection can be strengthened against wind, rain, and bugs.
Mid Tarp– Receiving the best overall rating, mid tarps provide a wide variety of benefits when compared to other light weight shelter options. It has great performance against dew, wind, rain, and bugs. When encountering snow it is the only shelter analyzed that doesn’t succumb to snow loading due to a steep wall design. Mid tarps are a common shelter system used by a wide variety of the world’s most influential lightweight backpackers.
Snow Cream Recipe:
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