HP buys Compaq for $25 billion

Microsoft buys Skype for $8.5 billion

Google buys Motorola Mobility for $12.5 billion

Microsoft buys Nokia’s phone business for $7.2 billion

AOL buys Netscape for $4.2 billion

Yahoo buys Geocities for $3.6 billion

Google buys Nest for $3.2 billion

Google buys DoubleClick for $3.1 billion

Lenovo buys Motorola for $2.91 billion

Google buys YouTube for $1.65 billion

Yahoo buys Tumblr for $1.1 billion

Facebook buys Instagram for $1.1 billion